19213680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{359}}^1$

素因数の和:598

約数の個数: 80

約数和(自身を含む): 59996160

約数和(自身を除く): 40782480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 223, 240, 359, 446, 669, 718, 892, 1077, 1115, 1338, 1436, 1784, 1795, 2154, 2230, 2676, 2872, 3345, 3568, 3590, 4308, 4460, 5352, 5385, 5744, 6690, 7180, 8616, 8920, 10704, 10770, 13380, 14360, 17232, 17840, 21540, 26760, 28720, 43080, 53520, 80057, 86160, 160114, 240171, 320228, 400285, 480342, 640456, 800570, 960684, 1200855, 1280912, 1601140, 1921368, 2401710, 3202280, 3842736, 4803420, 6404560, 9606840, 19213680]

約数ペア:

[(1, 19213680), (2, 9606840), (3, 6404560), (4, 4803420), (5, 3842736), (6, 3202280), (8, 2401710), (10, 1921368), (12, 1601140), (15, 1280912), (16, 1200855), (20, 960684), (24, 800570), (30, 640456), (40, 480342), (48, 400285), (60, 320228), (80, 240171), (120, 160114), (223, 86160), (240, 80057), (359, 53520), (446, 43080), (669, 28720), (718, 26760), (892, 21540), (1077, 17840), (1115, 17232), (1338, 14360), (1436, 13380), (1784, 10770), (1795, 10704), (2154, 8920), (2230, 8616), (2676, 7180), (2872, 6690), (3345, 5744), (3568, 5385), (3590, 5352), (4308, 4460)]