1915987918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{4813}}^1$

素因数の和:5140

約数の個数: 32

約数和(自身を含む): 3158985312

約数和(自身を除く): 1242997394

約数列:

[1, 2, 13, 26, 61, 122, 251, 502, 793, 1586, 3263, 4813, 6526, 9626, 15311, 30622, 62569, 125138, 199043, 293593, 398086, 587186, 1208063, 2416126, 3816709, 7633418, 15704819, 31409638, 73691843, 147383686, 957993959, 1915987918]

約数ペア:

[(1, 1915987918), (2, 957993959), (13, 147383686), (26, 73691843), (61, 31409638), (122, 15704819), (251, 7633418), (502, 3816709), (793, 2416126), (1586, 1208063), (3263, 587186), (4813, 398086), (6526, 293593), (9626, 199043), (15311, 125138), (30622, 62569)]