18669040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 48434400

約数和(自身を除く): 29765360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 52, 58, 65, 80, 104, 116, 130, 145, 208, 232, 260, 290, 377, 464, 520, 580, 619, 754, 1040, 1160, 1238, 1508, 1885, 2320, 2476, 3016, 3095, 3770, 4952, 6032, 6190, 7540, 8047, 9904, 12380, 15080, 16094, 17951, 24760, 30160, 32188, 35902, 40235, 49520, 64376, 71804, 80470, 89755, 128752, 143608, 160940, 179510, 233363, 287216, 321880, 359020, 466726, 643760, 718040, 933452, 1166815, 1436080, 1866904, 2333630, 3733808, 4667260, 9334520, 18669040]

約数ペア:

[(1, 18669040), (2, 9334520), (4, 4667260), (5, 3733808), (8, 2333630), (10, 1866904), (13, 1436080), (16, 1166815), (20, 933452), (26, 718040), (29, 643760), (40, 466726), (52, 359020), (58, 321880), (65, 287216), (80, 233363), (104, 179510), (116, 160940), (130, 143608), (145, 128752), (208, 89755), (232, 80470), (260, 71804), (290, 64376), (377, 49520), (464, 40235), (520, 35902), (580, 32188), (619, 30160), (754, 24760), (1040, 17951), (1160, 16094), (1238, 15080), (1508, 12380), (1885, 9904), (2320, 8047), (2476, 7540), (3016, 6190), (3095, 6032), (3770, 4952)]