18403060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1913}}^1$

素因数の和:1972

約数の個数: 48

約数和(自身を含む): 42766416

約数和(自身を除く): 24363356

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1913, 1924, 2405, 3826, 4810, 7652, 9565, 9620, 19130, 24869, 38260, 49738, 70781, 99476, 124345, 141562, 248690, 283124, 353905, 497380, 707810, 920153, 1415620, 1840306, 3680612, 4600765, 9201530, 18403060]

約数ペア:

[(1, 18403060), (2, 9201530), (4, 4600765), (5, 3680612), (10, 1840306), (13, 1415620), (20, 920153), (26, 707810), (37, 497380), (52, 353905), (65, 283124), (74, 248690), (130, 141562), (148, 124345), (185, 99476), (260, 70781), (370, 49738), (481, 38260), (740, 24869), (962, 19130), (1913, 9620), (1924, 9565), (2405, 7652), (3826, 4810)]