18150730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 38320128

約数和(自身を除く): 20169398

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 43, 65, 85, 86, 130, 170, 191, 215, 221, 382, 430, 442, 559, 731, 955, 1105, 1118, 1462, 1910, 2210, 2483, 2795, 3247, 3655, 4966, 5590, 6494, 7310, 8213, 9503, 12415, 16235, 16426, 19006, 24830, 32470, 41065, 42211, 47515, 82130, 84422, 95030, 106769, 139621, 211055, 213538, 279242, 422110, 533845, 698105, 1067690, 1396210, 1815073, 3630146, 9075365, 18150730]

約数ペア:

[(1, 18150730), (2, 9075365), (5, 3630146), (10, 1815073), (13, 1396210), (17, 1067690), (26, 698105), (34, 533845), (43, 422110), (65, 279242), (85, 213538), (86, 211055), (130, 139621), (170, 106769), (191, 95030), (215, 84422), (221, 82130), (382, 47515), (430, 42211), (442, 41065), (559, 32470), (731, 24830), (955, 19006), (1105, 16426), (1118, 16235), (1462, 12415), (1910, 9503), (2210, 8213), (2483, 7310), (2795, 6494), (3247, 5590), (3655, 4966)]