18189045

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 37506456

約数和(自身を除く): 19317411

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 73, 105, 113, 147, 219, 245, 315, 339, 365, 441, 511, 565, 657, 735, 791, 1017, 1095, 1533, 1695, 2205, 2373, 2555, 3285, 3577, 3955, 4599, 5085, 5537, 7119, 7665, 8249, 10731, 11865, 16611, 17885, 22995, 24747, 27685, 32193, 35595, 41245, 49833, 53655, 57743, 74241, 83055, 123735, 160965, 173229, 249165, 288715, 371205, 404201, 519687, 866145, 1212603, 2021005, 2598435, 3637809, 6063015, 18189045]

約数ペア:

[(1, 18189045), (3, 6063015), (5, 3637809), (7, 2598435), (9, 2021005), (15, 1212603), (21, 866145), (35, 519687), (45, 404201), (49, 371205), (63, 288715), (73, 249165), (105, 173229), (113, 160965), (147, 123735), (219, 83055), (245, 74241), (315, 57743), (339, 53655), (365, 49833), (441, 41245), (511, 35595), (565, 32193), (657, 27685), (735, 24747), (791, 22995), (1017, 17885), (1095, 16611), (1533, 11865), (1695, 10731), (2205, 8249), (2373, 7665), (2555, 7119), (3285, 5537), (3577, 5085), (3955, 4599)]