18662540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{401}}^1$

素因数の和:602

約数の個数: 48

約数和(自身を含む): 42547680

約数和(自身を除く): 23885140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 260, 358, 401, 716, 802, 895, 1604, 1790, 2005, 2327, 3580, 4010, 4654, 5213, 8020, 9308, 10426, 11635, 20852, 23270, 26065, 46540, 52130, 71779, 104260, 143558, 287116, 358895, 717790, 933127, 1435580, 1866254, 3732508, 4665635, 9331270, 18662540]

約数ペア:

[(1, 18662540), (2, 9331270), (4, 4665635), (5, 3732508), (10, 1866254), (13, 1435580), (20, 933127), (26, 717790), (52, 358895), (65, 287116), (130, 143558), (179, 104260), (260, 71779), (358, 52130), (401, 46540), (716, 26065), (802, 23270), (895, 20852), (1604, 11635), (1790, 10426), (2005, 9308), (2327, 8020), (3580, 5213), (4010, 4654)]