18643404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 48882960

約数和(自身を除く): 30239556

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 169, 174, 317, 338, 348, 377, 507, 634, 676, 754, 951, 1014, 1131, 1268, 1508, 1902, 2028, 2262, 3804, 4121, 4524, 4901, 8242, 9193, 9802, 12363, 14703, 16484, 18386, 19604, 24726, 27579, 29406, 36772, 49452, 53573, 55158, 58812, 107146, 110316, 119509, 160719, 214292, 239018, 321438, 358527, 478036, 642876, 717054, 1434108, 1553617, 3107234, 4660851, 6214468, 9321702, 18643404]

約数ペア:

[(1, 18643404), (2, 9321702), (3, 6214468), (4, 4660851), (6, 3107234), (12, 1553617), (13, 1434108), (26, 717054), (29, 642876), (39, 478036), (52, 358527), (58, 321438), (78, 239018), (87, 214292), (116, 160719), (156, 119509), (169, 110316), (174, 107146), (317, 58812), (338, 55158), (348, 53573), (377, 49452), (507, 36772), (634, 29406), (676, 27579), (754, 24726), (951, 19604), (1014, 18386), (1131, 16484), (1268, 14703), (1508, 12363), (1902, 9802), (2028, 9193), (2262, 8242), (3804, 4901), (4121, 4524)]