18681674

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 15791926

約数列:

[1, 2, 11, 17, 19, 22, 34, 38, 121, 187, 209, 239, 242, 323, 374, 418, 478, 646, 2057, 2299, 2629, 3553, 4063, 4114, 4541, 4598, 5258, 7106, 8126, 9082, 28919, 39083, 44693, 49951, 57838, 77197, 78166, 89386, 99902, 154394, 491623, 549461, 849167, 983246, 1098922, 1698334, 9340837, 18681674]

約数ペア:

[(1, 18681674), (2, 9340837), (11, 1698334), (17, 1098922), (19, 983246), (22, 849167), (34, 549461), (38, 491623), (121, 154394), (187, 99902), (209, 89386), (239, 78166), (242, 77197), (323, 57838), (374, 49951), (418, 44693), (478, 39083), (646, 28919), (2057, 9082), (2299, 8126), (2629, 7106), (3553, 5258), (4063, 4598), (4114, 4541)]