19712394

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1381}}^1$

素因数の和:1463

約数の個数: 48

約数和(自身を含む): 46783464

約数和(自身を除く): 27071070

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 61, 78, 117, 122, 183, 234, 366, 549, 793, 1098, 1381, 1586, 2379, 2762, 4143, 4758, 7137, 8286, 12429, 14274, 17953, 24858, 35906, 53859, 84241, 107718, 161577, 168482, 252723, 323154, 505446, 758169, 1095133, 1516338, 2190266, 3285399, 6570798, 9856197, 19712394]

約数ペア:

[(1, 19712394), (2, 9856197), (3, 6570798), (6, 3285399), (9, 2190266), (13, 1516338), (18, 1095133), (26, 758169), (39, 505446), (61, 323154), (78, 252723), (117, 168482), (122, 161577), (183, 107718), (234, 84241), (366, 53859), (549, 35906), (793, 24858), (1098, 17953), (1381, 14274), (1586, 12429), (2379, 8286), (2762, 7137), (4143, 4758)]