18846784

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1409}}^1$

素因数の和:1451

約数の個数: 56

約数和(自身を含む): 42976800

約数和(自身を除く): 24130016

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 152, 176, 209, 304, 352, 418, 608, 704, 836, 1216, 1409, 1672, 2818, 3344, 5636, 6688, 11272, 13376, 15499, 22544, 26771, 30998, 45088, 53542, 61996, 90176, 107084, 123992, 214168, 247984, 294481, 428336, 495968, 588962, 856672, 991936, 1177924, 1713344, 2355848, 4711696, 9423392, 18846784]

約数ペア:

[(1, 18846784), (2, 9423392), (4, 4711696), (8, 2355848), (11, 1713344), (16, 1177924), (19, 991936), (22, 856672), (32, 588962), (38, 495968), (44, 428336), (64, 294481), (76, 247984), (88, 214168), (152, 123992), (176, 107084), (209, 90176), (304, 61996), (352, 53542), (418, 45088), (608, 30998), (704, 26771), (836, 22544), (1216, 15499), (1409, 13376), (1672, 11272), (2818, 6688), (3344, 5636)]