18740150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2621}}^1$

素因数の和:2657

約数の個数: 48

約数和(自身を含む): 40966128

約数和(自身を除く): 22225978

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 2621, 3575, 5242, 7150, 13105, 26210, 28831, 34073, 57662, 65525, 68146, 131050, 144155, 170365, 288310, 340730, 374803, 720775, 749606, 851825, 1441550, 1703650, 1874015, 3748030, 9370075, 18740150]

約数ペア:

[(1, 18740150), (2, 9370075), (5, 3748030), (10, 1874015), (11, 1703650), (13, 1441550), (22, 851825), (25, 749606), (26, 720775), (50, 374803), (55, 340730), (65, 288310), (110, 170365), (130, 144155), (143, 131050), (275, 68146), (286, 65525), (325, 57662), (550, 34073), (650, 28831), (715, 26210), (1430, 13105), (2621, 7150), (3575, 5242)]