19739640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{607}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 59535360

約数和(自身を除く): 39795720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 271, 542, 607, 813, 1084, 1214, 1355, 1626, 1821, 2168, 2428, 2710, 3035, 3252, 3642, 4065, 4856, 5420, 6070, 6504, 7284, 8130, 9105, 10840, 12140, 14568, 16260, 18210, 24280, 32520, 36420, 72840, 164497, 328994, 493491, 657988, 822485, 986982, 1315976, 1644970, 1973964, 2467455, 3289940, 3947928, 4934910, 6579880, 9869820, 19739640]

約数ペア:

[(1, 19739640), (2, 9869820), (3, 6579880), (4, 4934910), (5, 3947928), (6, 3289940), (8, 2467455), (10, 1973964), (12, 1644970), (15, 1315976), (20, 986982), (24, 822485), (30, 657988), (40, 493491), (60, 328994), (120, 164497), (271, 72840), (542, 36420), (607, 32520), (813, 24280), (1084, 18210), (1214, 16260), (1355, 14568), (1626, 12140), (1821, 10840), (2168, 9105), (2428, 8130), (2710, 7284), (3035, 6504), (3252, 6070), (3642, 5420), (4065, 4856)]