16858140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21613}}^1$

素因数の和:21638

約数の個数: 48

約数和(自身を含む): 50836128

約数和(自身を除く): 33977988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21613, 43226, 64839, 86452, 108065, 129678, 216130, 259356, 280969, 324195, 432260, 561938, 648390, 842907, 1123876, 1296780, 1404845, 1685814, 2809690, 3371628, 4214535, 5619380, 8429070, 16858140]

約数ペア:

[(1, 16858140), (2, 8429070), (3, 5619380), (4, 4214535), (5, 3371628), (6, 2809690), (10, 1685814), (12, 1404845), (13, 1296780), (15, 1123876), (20, 842907), (26, 648390), (30, 561938), (39, 432260), (52, 324195), (60, 280969), (65, 259356), (78, 216130), (130, 129678), (156, 108065), (195, 86452), (260, 64839), (390, 43226), (780, 21613)]