18998910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{569}}^1$

素因数の和:642

約数の個数: 96

約数和(自身を含む): 57620160

約数和(自身を除く): 38621250

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 53, 63, 70, 90, 105, 106, 126, 159, 210, 265, 315, 318, 371, 477, 530, 569, 630, 742, 795, 954, 1113, 1138, 1590, 1707, 1855, 2226, 2385, 2845, 3339, 3414, 3710, 3983, 4770, 5121, 5565, 5690, 6678, 7966, 8535, 10242, 11130, 11949, 16695, 17070, 19915, 23898, 25605, 30157, 33390, 35847, 39830, 51210, 59745, 60314, 71694, 90471, 119490, 150785, 179235, 180942, 211099, 271413, 301570, 358470, 422198, 452355, 542826, 633297, 904710, 1055495, 1266594, 1357065, 1899891, 2110990, 2714130, 3166485, 3799782, 6332970, 9499455, 18998910]

約数ペア:

[(1, 18998910), (2, 9499455), (3, 6332970), (5, 3799782), (6, 3166485), (7, 2714130), (9, 2110990), (10, 1899891), (14, 1357065), (15, 1266594), (18, 1055495), (21, 904710), (30, 633297), (35, 542826), (42, 452355), (45, 422198), (53, 358470), (63, 301570), (70, 271413), (90, 211099), (105, 180942), (106, 179235), (126, 150785), (159, 119490), (210, 90471), (265, 71694), (315, 60314), (318, 59745), (371, 51210), (477, 39830), (530, 35847), (569, 33390), (630, 30157), (742, 25605), (795, 23898), (954, 19915), (1113, 17070), (1138, 16695), (1590, 11949), (1707, 11130), (1855, 10242), (2226, 8535), (2385, 7966), (2845, 6678), (3339, 5690), (3414, 5565), (3710, 5121), (3983, 4770)]