1919374420

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{521}}^1\times {\mathrm{1103}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 4066288128

約数和(自身を除く): 2146913708

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 521, 668, 835, 1042, 1103, 1670, 2084, 2206, 2605, 3340, 4412, 5210, 5515, 10420, 11030, 22060, 87007, 174014, 184201, 348028, 368402, 435035, 574663, 736804, 870070, 921005, 1149326, 1740140, 1842010, 2298652, 2873315, 3684020, 5746630, 11493260, 95968721, 191937442, 383874884, 479843605, 959687210, 1919374420]

約数ペア:

[(1, 1919374420), (2, 959687210), (4, 479843605), (5, 383874884), (10, 191937442), (20, 95968721), (167, 11493260), (334, 5746630), (521, 3684020), (668, 2873315), (835, 2298652), (1042, 1842010), (1103, 1740140), (1670, 1149326), (2084, 921005), (2206, 870070), (2605, 736804), (3340, 574663), (4412, 435035), (5210, 368402), (5515, 348028), (10420, 184201), (11030, 174014), (22060, 87007)]