18804760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 96

約数和(自身を含む): 48288240

約数和(自身を除く): 29483480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 43, 52, 58, 65, 86, 104, 116, 130, 145, 172, 215, 232, 260, 290, 344, 377, 430, 520, 559, 580, 754, 841, 860, 1118, 1160, 1247, 1508, 1682, 1720, 1885, 2236, 2494, 2795, 3016, 3364, 3770, 4205, 4472, 4988, 5590, 6235, 6728, 7540, 8410, 9976, 10933, 11180, 12470, 15080, 16211, 16820, 21866, 22360, 24940, 32422, 33640, 36163, 43732, 49880, 54665, 64844, 72326, 81055, 87464, 109330, 129688, 144652, 162110, 180815, 218660, 289304, 324220, 361630, 437320, 470119, 648440, 723260, 940238, 1446520, 1880476, 2350595, 3760952, 4701190, 9402380, 18804760]

約数ペア:

[(1, 18804760), (2, 9402380), (4, 4701190), (5, 3760952), (8, 2350595), (10, 1880476), (13, 1446520), (20, 940238), (26, 723260), (29, 648440), (40, 470119), (43, 437320), (52, 361630), (58, 324220), (65, 289304), (86, 218660), (104, 180815), (116, 162110), (130, 144652), (145, 129688), (172, 109330), (215, 87464), (232, 81055), (260, 72326), (290, 64844), (344, 54665), (377, 49880), (430, 43732), (520, 36163), (559, 33640), (580, 32422), (754, 24940), (841, 22360), (860, 21866), (1118, 16820), (1160, 16211), (1247, 15080), (1508, 12470), (1682, 11180), (1720, 10933), (1885, 9976), (2236, 8410), (2494, 7540), (2795, 6728), (3016, 6235), (3364, 5590), (3770, 4988), (4205, 4472)]