19247452

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 39997440

約数和(自身を除く): 20749988

約数列:

[1, 2, 4, 7, 14, 28, 59, 61, 118, 122, 191, 236, 244, 382, 413, 427, 764, 826, 854, 1337, 1652, 1708, 2674, 3599, 5348, 7198, 11269, 11651, 14396, 22538, 23302, 25193, 45076, 46604, 50386, 78883, 81557, 100772, 157766, 163114, 315532, 326228, 687409, 1374818, 2749636, 4811863, 9623726, 19247452]

約数ペア:

[(1, 19247452), (2, 9623726), (4, 4811863), (7, 2749636), (14, 1374818), (28, 687409), (59, 326228), (61, 315532), (118, 163114), (122, 157766), (191, 100772), (236, 81557), (244, 78883), (382, 50386), (413, 46604), (427, 45076), (764, 25193), (826, 23302), (854, 22538), (1337, 14396), (1652, 11651), (1708, 11269), (2674, 7198), (3599, 5348)]