18058720

素因数分解:

$2^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1913}}^1$

素因数の和:1987

約数の個数: 48

約数和(自身を含む): 43409520

約数和(自身を除く): 25350800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 80, 118, 160, 236, 295, 472, 590, 944, 1180, 1888, 1913, 2360, 3826, 4720, 7652, 9440, 9565, 15304, 19130, 30608, 38260, 61216, 76520, 112867, 153040, 225734, 306080, 451468, 564335, 902936, 1128670, 1805872, 2257340, 3611744, 4514680, 9029360, 18058720]

約数ペア:

[(1, 18058720), (2, 9029360), (4, 4514680), (5, 3611744), (8, 2257340), (10, 1805872), (16, 1128670), (20, 902936), (32, 564335), (40, 451468), (59, 306080), (80, 225734), (118, 153040), (160, 112867), (236, 76520), (295, 61216), (472, 38260), (590, 30608), (944, 19130), (1180, 15304), (1888, 9565), (1913, 9440), (2360, 7652), (3826, 4720)]