18493725

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 32569344

約数和(自身を除く): 14075619

約数列:

[1, 3, 5, 15, 23, 25, 69, 71, 75, 115, 151, 213, 345, 355, 453, 575, 755, 1065, 1633, 1725, 1775, 2265, 3473, 3775, 4899, 5325, 8165, 10419, 10721, 11325, 17365, 24495, 32163, 40825, 52095, 53605, 86825, 122475, 160815, 246583, 260475, 268025, 739749, 804075, 1232915, 3698745, 6164575, 18493725]

約数ペア:

[(1, 18493725), (3, 6164575), (5, 3698745), (15, 1232915), (23, 804075), (25, 739749), (69, 268025), (71, 260475), (75, 246583), (115, 160815), (151, 122475), (213, 86825), (345, 53605), (355, 52095), (453, 40825), (575, 32163), (755, 24495), (1065, 17365), (1633, 11325), (1725, 10721), (1775, 10419), (2265, 8165), (3473, 5325), (3775, 4899)]