18975996

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{3119}}^1$

素因数の和:3155

約数の個数: 54

約数和(自身を含む): 51957360

約数和(自身を除く): 32981364

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 3119, 6084, 6238, 9357, 12476, 18714, 28071, 37428, 40547, 56142, 81094, 112284, 121641, 162188, 243282, 364923, 486564, 527111, 729846, 1054222, 1459692, 1581333, 2108444, 3162666, 4743999, 6325332, 9487998, 18975996]

約数ペア:

[(1, 18975996), (2, 9487998), (3, 6325332), (4, 4743999), (6, 3162666), (9, 2108444), (12, 1581333), (13, 1459692), (18, 1054222), (26, 729846), (36, 527111), (39, 486564), (52, 364923), (78, 243282), (117, 162188), (156, 121641), (169, 112284), (234, 81094), (338, 56142), (468, 40547), (507, 37428), (676, 28071), (1014, 18714), (1521, 12476), (2028, 9357), (3042, 6238), (3119, 6084)]