19563416

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 37606800

約数和(自身を除く): 18043384

約数列:

[1, 2, 4, 8, 73, 139, 146, 241, 278, 292, 482, 556, 584, 964, 1112, 1928, 10147, 17593, 20294, 33499, 35186, 40588, 66998, 70372, 81176, 133996, 140744, 267992, 2445427, 4890854, 9781708, 19563416]

約数ペア:

[(1, 19563416), (2, 9781708), (4, 4890854), (8, 2445427), (73, 267992), (139, 140744), (146, 133996), (241, 81176), (278, 70372), (292, 66998), (482, 40588), (556, 35186), (584, 33499), (964, 20294), (1112, 17593), (1928, 10147)]