18827172

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:858

約数の個数: 108

約数和(自身を含む): 59691996

約数和(自身を除く): 40864824

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 364, 441, 468, 546, 588, 637, 819, 821, 882, 1092, 1274, 1638, 1642, 1764, 1911, 2463, 2548, 3276, 3284, 3822, 4926, 5733, 5747, 7389, 7644, 9852, 10673, 11466, 11494, 14778, 17241, 21346, 22932, 22988, 29556, 32019, 34482, 40229, 42692, 51723, 64038, 68964, 74711, 80458, 96057, 103446, 120687, 128076, 149422, 160916, 192114, 206892, 224133, 241374, 298844, 362061, 384228, 448266, 482748, 522977, 672399, 724122, 896532, 1045954, 1344798, 1448244, 1568931, 2091908, 2689596, 3137862, 4706793, 6275724, 9413586, 18827172]

約数ペア:

[(1, 18827172), (2, 9413586), (3, 6275724), (4, 4706793), (6, 3137862), (7, 2689596), (9, 2091908), (12, 1568931), (13, 1448244), (14, 1344798), (18, 1045954), (21, 896532), (26, 724122), (28, 672399), (36, 522977), (39, 482748), (42, 448266), (49, 384228), (52, 362061), (63, 298844), (78, 241374), (84, 224133), (91, 206892), (98, 192114), (117, 160916), (126, 149422), (147, 128076), (156, 120687), (182, 103446), (196, 96057), (234, 80458), (252, 74711), (273, 68964), (294, 64038), (364, 51723), (441, 42692), (468, 40229), (546, 34482), (588, 32019), (637, 29556), (819, 22988), (821, 22932), (882, 21346), (1092, 17241), (1274, 14778), (1638, 11494), (1642, 11466), (1764, 10673), (1911, 9852), (2463, 7644), (2548, 7389), (3276, 5747), (3284, 5733), (3822, 4926)]