18407740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{853}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 42180768

約数和(自身を除く): 23773028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 853, 1079, 1660, 1706, 2158, 3412, 4265, 4316, 5395, 8530, 10790, 11089, 17060, 21580, 22178, 44356, 55445, 70799, 110890, 141598, 221780, 283196, 353995, 707990, 920387, 1415980, 1840774, 3681548, 4601935, 9203870, 18407740]

約数ペア:

[(1, 18407740), (2, 9203870), (4, 4601935), (5, 3681548), (10, 1840774), (13, 1415980), (20, 920387), (26, 707990), (52, 353995), (65, 283196), (83, 221780), (130, 141598), (166, 110890), (260, 70799), (332, 55445), (415, 44356), (830, 22178), (853, 21580), (1079, 17060), (1660, 11089), (1706, 10790), (2158, 8530), (3412, 5395), (4265, 4316)]