17784260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{937}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 40814256

約数和(自身を除く): 23029996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 937, 949, 1460, 1874, 1898, 3748, 3796, 4685, 4745, 9370, 9490, 12181, 18740, 18980, 24362, 48724, 60905, 68401, 121810, 136802, 243620, 273604, 342005, 684010, 889213, 1368020, 1778426, 3556852, 4446065, 8892130, 17784260]

約数ペア:

[(1, 17784260), (2, 8892130), (4, 4446065), (5, 3556852), (10, 1778426), (13, 1368020), (20, 889213), (26, 684010), (52, 342005), (65, 273604), (73, 243620), (130, 136802), (146, 121810), (260, 68401), (292, 60905), (365, 48724), (730, 24362), (937, 18980), (949, 18740), (1460, 12181), (1874, 9490), (1898, 9370), (3748, 4745), (3796, 4685)]