18418920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11807}}^1$

素因数の和:11834

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 41093400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 11807, 23614, 35421, 47228, 59035, 70842, 94456, 118070, 141684, 153491, 177105, 236140, 283368, 306982, 354210, 460473, 472280, 613964, 708420, 767455, 920946, 1227928, 1416840, 1534910, 1841892, 2302365, 3069820, 3683784, 4604730, 6139640, 9209460, 18418920]

約数ペア:

[(1, 18418920), (2, 9209460), (3, 6139640), (4, 4604730), (5, 3683784), (6, 3069820), (8, 2302365), (10, 1841892), (12, 1534910), (13, 1416840), (15, 1227928), (20, 920946), (24, 767455), (26, 708420), (30, 613964), (39, 472280), (40, 460473), (52, 354210), (60, 306982), (65, 283368), (78, 236140), (104, 177105), (120, 153491), (130, 141684), (156, 118070), (195, 94456), (260, 70842), (312, 59035), (390, 47228), (520, 35421), (780, 23614), (1560, 11807)]