19349660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{313}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 44628192

約数和(自身を除く): 25278532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 281, 313, 562, 626, 1124, 1252, 1405, 1565, 2810, 3091, 3130, 3443, 5620, 6182, 6260, 6886, 12364, 13772, 15455, 17215, 30910, 34430, 61820, 68860, 87953, 175906, 351812, 439765, 879530, 967483, 1759060, 1934966, 3869932, 4837415, 9674830, 19349660]

約数ペア:

[(1, 19349660), (2, 9674830), (4, 4837415), (5, 3869932), (10, 1934966), (11, 1759060), (20, 967483), (22, 879530), (44, 439765), (55, 351812), (110, 175906), (220, 87953), (281, 68860), (313, 61820), (562, 34430), (626, 30910), (1124, 17215), (1252, 15455), (1405, 13772), (1565, 12364), (2810, 6886), (3091, 6260), (3130, 6182), (3443, 5620)]