18936120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22543}}^1$

素因数の和:22564

約数の個数: 64

約数和(自身を含む): 64926720

約数和(自身を除く): 45990600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 22543, 45086, 67629, 90172, 112715, 135258, 157801, 180344, 225430, 270516, 315602, 338145, 450860, 473403, 541032, 631204, 676290, 789005, 901720, 946806, 1262408, 1352580, 1578010, 1893612, 2367015, 2705160, 3156020, 3787224, 4734030, 6312040, 9468060, 18936120]

約数ペア:

[(1, 18936120), (2, 9468060), (3, 6312040), (4, 4734030), (5, 3787224), (6, 3156020), (7, 2705160), (8, 2367015), (10, 1893612), (12, 1578010), (14, 1352580), (15, 1262408), (20, 946806), (21, 901720), (24, 789005), (28, 676290), (30, 631204), (35, 541032), (40, 473403), (42, 450860), (56, 338145), (60, 315602), (70, 270516), (84, 225430), (105, 180344), (120, 157801), (140, 135258), (168, 112715), (210, 90172), (280, 67629), (420, 45086), (840, 22543)]