19551184

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:355

約数の個数: 40

約数和(自身を含む): 39060000

約数和(自身を除く): 19508816

約数列:

[1, 2, 4, 8, 16, 59, 118, 139, 149, 236, 278, 298, 472, 556, 596, 944, 1112, 1192, 2224, 2384, 8201, 8791, 16402, 17582, 20711, 32804, 35164, 41422, 65608, 70328, 82844, 131216, 140656, 165688, 331376, 1221949, 2443898, 4887796, 9775592, 19551184]

約数ペア:

[(1, 19551184), (2, 9775592), (4, 4887796), (8, 2443898), (16, 1221949), (59, 331376), (118, 165688), (139, 140656), (149, 131216), (236, 82844), (278, 70328), (298, 65608), (472, 41422), (556, 35164), (596, 32804), (944, 20711), (1112, 17582), (1192, 16402), (2224, 8791), (2384, 8201)]