18653820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16363}}^1$

素因数の和:16394

約数の個数: 48

約数和(自身を含む): 54983040

約数和(自身を除く): 36329220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 16363, 32726, 49089, 65452, 81815, 98178, 163630, 196356, 245445, 310897, 327260, 490890, 621794, 932691, 981780, 1243588, 1554485, 1865382, 3108970, 3730764, 4663455, 6217940, 9326910, 18653820]

約数ペア:

[(1, 18653820), (2, 9326910), (3, 6217940), (4, 4663455), (5, 3730764), (6, 3108970), (10, 1865382), (12, 1554485), (15, 1243588), (19, 981780), (20, 932691), (30, 621794), (38, 490890), (57, 327260), (60, 310897), (76, 245445), (95, 196356), (114, 163630), (190, 98178), (228, 81815), (285, 65452), (380, 49089), (570, 32726), (1140, 16363)]