23251820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 52631040

約数和(自身を除く): 29379220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1423, 1634, 2846, 3268, 4085, 5692, 7115, 8170, 14230, 16340, 27037, 28460, 54074, 61189, 108148, 122378, 135185, 244756, 270370, 305945, 540740, 611890, 1162591, 1223780, 2325182, 4650364, 5812955, 11625910, 23251820]

約数ペア:

[(1, 23251820), (2, 11625910), (4, 5812955), (5, 4650364), (10, 2325182), (19, 1223780), (20, 1162591), (38, 611890), (43, 540740), (76, 305945), (86, 270370), (95, 244756), (172, 135185), (190, 122378), (215, 108148), (380, 61189), (430, 54074), (817, 28460), (860, 27037), (1423, 16340), (1634, 14230), (2846, 8170), (3268, 7115), (4085, 5692)]