19521450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 144

約数和(自身を含む): 58496256

約数和(自身を除く): 38974806

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 47, 50, 65, 71, 75, 78, 90, 94, 117, 130, 141, 142, 150, 195, 213, 225, 234, 235, 282, 325, 355, 390, 423, 426, 450, 470, 585, 611, 639, 650, 705, 710, 846, 923, 975, 1065, 1170, 1175, 1222, 1278, 1410, 1775, 1833, 1846, 1950, 2115, 2130, 2350, 2769, 2925, 3055, 3195, 3337, 3525, 3550, 3666, 4230, 4615, 5325, 5499, 5538, 5850, 6110, 6390, 6674, 7050, 8307, 9165, 9230, 10011, 10575, 10650, 10998, 13845, 15275, 15975, 16614, 16685, 18330, 20022, 21150, 23075, 27495, 27690, 30033, 30550, 31950, 33370, 41535, 43381, 45825, 46150, 50055, 54990, 60066, 69225, 83070, 83425, 86762, 91650, 100110, 130143, 137475, 138450, 150165, 166850, 207675, 216905, 250275, 260286, 274950, 300330, 390429, 415350, 433810, 500550, 650715, 750825, 780858, 1084525, 1301430, 1501650, 1952145, 2169050, 3253575, 3904290, 6507150, 9760725, 19521450]

約数ペア:

[(1, 19521450), (2, 9760725), (3, 6507150), (5, 3904290), (6, 3253575), (9, 2169050), (10, 1952145), (13, 1501650), (15, 1301430), (18, 1084525), (25, 780858), (26, 750825), (30, 650715), (39, 500550), (45, 433810), (47, 415350), (50, 390429), (65, 300330), (71, 274950), (75, 260286), (78, 250275), (90, 216905), (94, 207675), (117, 166850), (130, 150165), (141, 138450), (142, 137475), (150, 130143), (195, 100110), (213, 91650), (225, 86762), (234, 83425), (235, 83070), (282, 69225), (325, 60066), (355, 54990), (390, 50055), (423, 46150), (426, 45825), (450, 43381), (470, 41535), (585, 33370), (611, 31950), (639, 30550), (650, 30033), (705, 27690), (710, 27495), (846, 23075), (923, 21150), (975, 20022), (1065, 18330), (1170, 16685), (1175, 16614), (1222, 15975), (1278, 15275), (1410, 13845), (1775, 10998), (1833, 10650), (1846, 10575), (1950, 10011), (2115, 9230), (2130, 9165), (2350, 8307), (2769, 7050), (2925, 6674), (3055, 6390), (3195, 6110), (3337, 5850), (3525, 5538), (3550, 5499), (3666, 5325), (4230, 4615)]