19995408

素因数分解:

$2^4\times 3^2\times {\mathrm{191}}^1\times {\mathrm{727}}^1$

素因数の和:932

約数の個数: 60

約数和(自身を含む): 56329728

約数和(自身を除く): 36334320

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 191, 382, 573, 727, 764, 1146, 1454, 1528, 1719, 2181, 2292, 2908, 3056, 3438, 4362, 4584, 5816, 6543, 6876, 8724, 9168, 11632, 13086, 13752, 17448, 26172, 27504, 34896, 52344, 104688, 138857, 277714, 416571, 555428, 833142, 1110856, 1249713, 1666284, 2221712, 2499426, 3332568, 4998852, 6665136, 9997704, 19995408]

約数ペア:

[(1, 19995408), (2, 9997704), (3, 6665136), (4, 4998852), (6, 3332568), (8, 2499426), (9, 2221712), (12, 1666284), (16, 1249713), (18, 1110856), (24, 833142), (36, 555428), (48, 416571), (72, 277714), (144, 138857), (191, 104688), (382, 52344), (573, 34896), (727, 27504), (764, 26172), (1146, 17448), (1454, 13752), (1528, 13086), (1719, 11632), (2181, 9168), (2292, 8724), (2908, 6876), (3056, 6543), (3438, 5816), (4362, 4584)]