18688404

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{859}}^1$

素因数の和:917

約数の個数: 72

約数和(自身を含む): 52157280

約数和(自身を除く): 33468876

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 49, 74, 84, 98, 111, 147, 148, 196, 222, 259, 294, 444, 518, 588, 777, 859, 1036, 1554, 1718, 1813, 2577, 3108, 3436, 3626, 5154, 5439, 6013, 7252, 10308, 10878, 12026, 18039, 21756, 24052, 31783, 36078, 42091, 63566, 72156, 84182, 95349, 126273, 127132, 168364, 190698, 222481, 252546, 381396, 444962, 505092, 667443, 889924, 1334886, 1557367, 2669772, 3114734, 4672101, 6229468, 9344202, 18688404]

約数ペア:

[(1, 18688404), (2, 9344202), (3, 6229468), (4, 4672101), (6, 3114734), (7, 2669772), (12, 1557367), (14, 1334886), (21, 889924), (28, 667443), (37, 505092), (42, 444962), (49, 381396), (74, 252546), (84, 222481), (98, 190698), (111, 168364), (147, 127132), (148, 126273), (196, 95349), (222, 84182), (259, 72156), (294, 63566), (444, 42091), (518, 36078), (588, 31783), (777, 24052), (859, 21756), (1036, 18039), (1554, 12026), (1718, 10878), (1813, 10308), (2577, 7252), (3108, 6013), (3436, 5439), (3626, 5154)]