18806840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:696

約数の個数: 64

約数和(自身を含む): 46418400

約数和(自身を除く): 27611560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 59, 65, 104, 118, 130, 236, 260, 295, 472, 520, 590, 613, 767, 1180, 1226, 1534, 2360, 2452, 3065, 3068, 3835, 4904, 6130, 6136, 7670, 7969, 12260, 15340, 15938, 24520, 30680, 31876, 36167, 39845, 63752, 72334, 79690, 144668, 159380, 180835, 289336, 318760, 361670, 470171, 723340, 940342, 1446680, 1880684, 2350855, 3761368, 4701710, 9403420, 18806840]

約数ペア:

[(1, 18806840), (2, 9403420), (4, 4701710), (5, 3761368), (8, 2350855), (10, 1880684), (13, 1446680), (20, 940342), (26, 723340), (40, 470171), (52, 361670), (59, 318760), (65, 289336), (104, 180835), (118, 159380), (130, 144668), (236, 79690), (260, 72334), (295, 63752), (472, 39845), (520, 36167), (590, 31876), (613, 30680), (767, 24520), (1180, 15938), (1226, 15340), (1534, 12260), (2360, 7969), (2452, 7670), (3065, 6136), (3068, 6130), (3835, 4904)]