19862388

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 192

約数和(自身を含む): 66232320

約数和(自身を除く): 46369932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 43, 47, 52, 54, 63, 78, 84, 86, 91, 94, 108, 117, 126, 129, 141, 156, 172, 182, 188, 189, 234, 252, 258, 273, 282, 301, 329, 351, 364, 378, 387, 423, 468, 516, 546, 559, 564, 602, 611, 658, 702, 756, 774, 819, 846, 903, 987, 1092, 1118, 1161, 1204, 1222, 1269, 1316, 1404, 1548, 1638, 1677, 1692, 1806, 1833, 1974, 2021, 2236, 2322, 2444, 2457, 2538, 2709, 2961, 3276, 3354, 3612, 3666, 3913, 3948, 4042, 4277, 4644, 4914, 5031, 5076, 5418, 5499, 5922, 6063, 6708, 7332, 7826, 8084, 8127, 8554, 8883, 9828, 10062, 10836, 10998, 11739, 11844, 12126, 12831, 14147, 15093, 15652, 16254, 16497, 17108, 17766, 18189, 20124, 21996, 23478, 24252, 25662, 26273, 28294, 30186, 32508, 32994, 35217, 35532, 36378, 38493, 42441, 46956, 51324, 52546, 54567, 56588, 60372, 65988, 70434, 72756, 76986, 78819, 84882, 105092, 105651, 109134, 115479, 127323, 140868, 153972, 157638, 169764, 183911, 211302, 218268, 230958, 236457, 254646, 315276, 367822, 381969, 422604, 461916, 472914, 509292, 551733, 709371, 735644, 763938, 945828, 1103466, 1418742, 1527876, 1655199, 2206932, 2837484, 3310398, 4965597, 6620796, 9931194, 19862388]

約数ペア:

[(1, 19862388), (2, 9931194), (3, 6620796), (4, 4965597), (6, 3310398), (7, 2837484), (9, 2206932), (12, 1655199), (13, 1527876), (14, 1418742), (18, 1103466), (21, 945828), (26, 763938), (27, 735644), (28, 709371), (36, 551733), (39, 509292), (42, 472914), (43, 461916), (47, 422604), (52, 381969), (54, 367822), (63, 315276), (78, 254646), (84, 236457), (86, 230958), (91, 218268), (94, 211302), (108, 183911), (117, 169764), (126, 157638), (129, 153972), (141, 140868), (156, 127323), (172, 115479), (182, 109134), (188, 105651), (189, 105092), (234, 84882), (252, 78819), (258, 76986), (273, 72756), (282, 70434), (301, 65988), (329, 60372), (351, 56588), (364, 54567), (378, 52546), (387, 51324), (423, 46956), (468, 42441), (516, 38493), (546, 36378), (559, 35532), (564, 35217), (602, 32994), (611, 32508), (658, 30186), (702, 28294), (756, 26273), (774, 25662), (819, 24252), (846, 23478), (903, 21996), (987, 20124), (1092, 18189), (1118, 17766), (1161, 17108), (1204, 16497), (1222, 16254), (1269, 15652), (1316, 15093), (1404, 14147), (1548, 12831), (1638, 12126), (1677, 11844), (1692, 11739), (1806, 10998), (1833, 10836), (1974, 10062), (2021, 9828), (2236, 8883), (2322, 8554), (2444, 8127), (2457, 8084), (2538, 7826), (2709, 7332), (2961, 6708), (3276, 6063), (3354, 5922), (3612, 5499), (3666, 5418), (3913, 5076), (3948, 5031), (4042, 4914), (4277, 4644)]