18444140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6449}}^1$

素因数の和:6482

約数の個数: 48

約数和(自身を含む): 45511200

約数和(自身を除く): 27067060

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 6449, 12898, 25796, 32245, 64490, 70939, 83837, 128980, 141878, 167674, 283756, 335348, 354695, 419185, 709390, 838370, 922207, 1418780, 1676740, 1844414, 3688828, 4611035, 9222070, 18444140]

約数ペア:

[(1, 18444140), (2, 9222070), (4, 4611035), (5, 3688828), (10, 1844414), (11, 1676740), (13, 1418780), (20, 922207), (22, 838370), (26, 709390), (44, 419185), (52, 354695), (55, 335348), (65, 283756), (110, 167674), (130, 141878), (143, 128980), (220, 83837), (260, 70939), (286, 64490), (572, 32245), (715, 25796), (1430, 12898), (2860, 6449)]