19465460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{853}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 47058816

約数和(自身を除く): 27593356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 853, 1141, 1630, 1706, 2282, 3260, 3412, 4265, 4564, 5705, 5971, 8530, 11410, 11942, 17060, 22820, 23884, 29855, 59710, 119420, 139039, 278078, 556156, 695195, 973273, 1390390, 1946546, 2780780, 3893092, 4866365, 9732730, 19465460]

約数ペア:

[(1, 19465460), (2, 9732730), (4, 4866365), (5, 3893092), (7, 2780780), (10, 1946546), (14, 1390390), (20, 973273), (28, 695195), (35, 556156), (70, 278078), (140, 139039), (163, 119420), (326, 59710), (652, 29855), (815, 23884), (853, 22820), (1141, 17060), (1630, 11942), (1706, 11410), (2282, 8530), (3260, 5971), (3412, 5705), (4265, 4564)]