19009575

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 37598288

約数和(自身を除く): 18588713

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 67, 75, 97, 117, 195, 201, 225, 291, 325, 335, 485, 585, 603, 871, 873, 975, 1005, 1261, 1455, 1675, 2425, 2613, 2925, 3015, 3783, 4355, 4365, 5025, 6305, 6499, 7275, 7839, 11349, 13065, 15075, 18915, 19497, 21775, 21825, 31525, 32495, 39195, 56745, 58491, 65325, 84487, 94575, 97485, 162475, 195975, 253461, 283725, 292455, 422435, 487425, 760383, 1267305, 1462275, 2112175, 3801915, 6336525, 19009575]

約数ペア:

[(1, 19009575), (3, 6336525), (5, 3801915), (9, 2112175), (13, 1462275), (15, 1267305), (25, 760383), (39, 487425), (45, 422435), (65, 292455), (67, 283725), (75, 253461), (97, 195975), (117, 162475), (195, 97485), (201, 94575), (225, 84487), (291, 65325), (325, 58491), (335, 56745), (485, 39195), (585, 32495), (603, 31525), (871, 21825), (873, 21775), (975, 19497), (1005, 18915), (1261, 15075), (1455, 13065), (1675, 11349), (2425, 7839), (2613, 7275), (2925, 6499), (3015, 6305), (3783, 5025), (4355, 4365)]