19903660172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{12109}}^1\times {\mathrm{37357}}^1$

素因数の和:49481

約数の個数: 24

約数和(自身を含む): 38002051920

約数和(自身を除く): 18098391748

約数列:

[1, 2, 4, 11, 22, 44, 12109, 24218, 37357, 48436, 74714, 133199, 149428, 266398, 410927, 532796, 821854, 1643708, 452355913, 904711826, 1809423652, 4975915043, 9951830086, 19903660172]

約数ペア:

[(1, 19903660172), (2, 9951830086), (4, 4975915043), (11, 1809423652), (22, 904711826), (44, 452355913), (12109, 1643708), (24218, 821854), (37357, 532796), (48436, 410927), (74714, 266398), (133199, 149428)]