18408260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{701}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 42103152

約数和(自身を除く): 23694892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 701, 1010, 1313, 1402, 2020, 2626, 2804, 3505, 5252, 6565, 7010, 9113, 13130, 14020, 18226, 26260, 36452, 45565, 70801, 91130, 141602, 182260, 283204, 354005, 708010, 920413, 1416020, 1840826, 3681652, 4602065, 9204130, 18408260]

約数ペア:

[(1, 18408260), (2, 9204130), (4, 4602065), (5, 3681652), (10, 1840826), (13, 1416020), (20, 920413), (26, 708010), (52, 354005), (65, 283204), (101, 182260), (130, 141602), (202, 91130), (260, 70801), (404, 45565), (505, 36452), (701, 26260), (1010, 18226), (1313, 14020), (1402, 13130), (2020, 9113), (2626, 7010), (2804, 6565), (3505, 5252)]