18974248112

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{5641}}^1\times {\mathrm{4889}}^1$

素因数の和:10581

約数の個数: 40

約数和(自身を含む): 37631914320

約数和(自身を除く): 18657666208

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 4889, 5641, 9778, 11282, 19556, 22564, 39112, 45128, 78224, 90256, 210227, 242563, 420454, 485126, 840908, 970252, 1681816, 1940504, 3363632, 3881008, 27578849, 55157698, 110315396, 220630792, 441261584, 1185890507, 2371781014, 4743562028, 9487124056, 18974248112]

約数ペア:

[(1, 18974248112), (2, 9487124056), (4, 4743562028), (8, 2371781014), (16, 1185890507), (43, 441261584), (86, 220630792), (172, 110315396), (344, 55157698), (688, 27578849), (4889, 3881008), (5641, 3363632), (9778, 1940504), (11282, 1681816), (19556, 970252), (22564, 840908), (39112, 485126), (45128, 420454), (78224, 242563), (90256, 210227)]