19745730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9539}}^1$

素因数の和:9575

約数の個数: 48

約数和(自身を含む): 53576640

約数和(自身を除く): 33830910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 9539, 19078, 28617, 47695, 57234, 85851, 95390, 143085, 171702, 219397, 286170, 429255, 438794, 658191, 858510, 1096985, 1316382, 1974573, 2193970, 3290955, 3949146, 6581910, 9872865, 19745730]

約数ペア:

[(1, 19745730), (2, 9872865), (3, 6581910), (5, 3949146), (6, 3290955), (9, 2193970), (10, 1974573), (15, 1316382), (18, 1096985), (23, 858510), (30, 658191), (45, 438794), (46, 429255), (69, 286170), (90, 219397), (115, 171702), (138, 143085), (207, 95390), (230, 85851), (345, 57234), (414, 47695), (690, 28617), (1035, 19078), (2070, 9539)]