19724796

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 63924224

約数和(自身を除く): 44199428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 223, 234, 243, 252, 273, 324, 351, 364, 378, 446, 468, 486, 546, 567, 669, 702, 756, 819, 892, 972, 1053, 1092, 1134, 1338, 1404, 1561, 1638, 1701, 2007, 2106, 2268, 2457, 2676, 2899, 3122, 3159, 3276, 3402, 4014, 4212, 4683, 4914, 5798, 6021, 6244, 6318, 6804, 7371, 8028, 8697, 9366, 9828, 11596, 12042, 12636, 14049, 14742, 17394, 18063, 18732, 20293, 22113, 24084, 26091, 28098, 29484, 34788, 36126, 40586, 42147, 44226, 52182, 54189, 56196, 60879, 72252, 78273, 81172, 84294, 88452, 104364, 108378, 121758, 126441, 156546, 168588, 182637, 216756, 234819, 243516, 252882, 313092, 365274, 379323, 469638, 505764, 547911, 704457, 730548, 758646, 939276, 1095822, 1408914, 1517292, 1643733, 2191644, 2817828, 3287466, 4931199, 6574932, 9862398, 19724796]

約数ペア:

[(1, 19724796), (2, 9862398), (3, 6574932), (4, 4931199), (6, 3287466), (7, 2817828), (9, 2191644), (12, 1643733), (13, 1517292), (14, 1408914), (18, 1095822), (21, 939276), (26, 758646), (27, 730548), (28, 704457), (36, 547911), (39, 505764), (42, 469638), (52, 379323), (54, 365274), (63, 313092), (78, 252882), (81, 243516), (84, 234819), (91, 216756), (108, 182637), (117, 168588), (126, 156546), (156, 126441), (162, 121758), (182, 108378), (189, 104364), (223, 88452), (234, 84294), (243, 81172), (252, 78273), (273, 72252), (324, 60879), (351, 56196), (364, 54189), (378, 52182), (446, 44226), (468, 42147), (486, 40586), (546, 36126), (567, 34788), (669, 29484), (702, 28098), (756, 26091), (819, 24084), (892, 22113), (972, 20293), (1053, 18732), (1092, 18063), (1134, 17394), (1338, 14742), (1404, 14049), (1561, 12636), (1638, 12042), (1701, 11596), (2007, 9828), (2106, 9366), (2268, 8697), (2457, 8028), (2676, 7371), (2899, 6804), (3122, 6318), (3159, 6244), (3276, 6021), (3402, 5798), (4014, 4914), (4212, 4683)]