19152080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4517}}^1$

素因数の和:4583

約数の個数: 40

約数和(自身を含む): 45378792

約数和(自身を除く): 26226712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 4517, 9034, 18068, 22585, 36136, 45170, 72272, 90340, 180680, 239401, 361360, 478802, 957604, 1197005, 1915208, 2394010, 3830416, 4788020, 9576040, 19152080]

約数ペア:

[(1, 19152080), (2, 9576040), (4, 4788020), (5, 3830416), (8, 2394010), (10, 1915208), (16, 1197005), (20, 957604), (40, 478802), (53, 361360), (80, 239401), (106, 180680), (212, 90340), (265, 72272), (424, 45170), (530, 36136), (848, 22585), (1060, 18068), (2120, 9034), (4240, 4517)]