18706620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2243}}^1$

素因数の和:2394

約数の個数: 48

約数和(自身を含む): 52778880

約数和(自身を除く): 34072260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2243, 2780, 4170, 4486, 6729, 8340, 8972, 11215, 13458, 22430, 26916, 33645, 44860, 67290, 134580, 311777, 623554, 935331, 1247108, 1558885, 1870662, 3117770, 3741324, 4676655, 6235540, 9353310, 18706620]

約数ペア:

[(1, 18706620), (2, 9353310), (3, 6235540), (4, 4676655), (5, 3741324), (6, 3117770), (10, 1870662), (12, 1558885), (15, 1247108), (20, 935331), (30, 623554), (60, 311777), (139, 134580), (278, 67290), (417, 44860), (556, 33645), (695, 26916), (834, 22430), (1390, 13458), (1668, 11215), (2085, 8972), (2243, 8340), (2780, 6729), (4170, 4486)]