18583920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:559

約数の個数: 120

約数和(自身を含む): 63719136

約数和(自身を除く): 45135216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 424, 477, 487, 530, 636, 720, 795, 848, 954, 974, 1060, 1272, 1461, 1590, 1908, 1948, 2120, 2385, 2435, 2544, 2922, 3180, 3816, 3896, 4240, 4383, 4770, 4870, 5844, 6360, 7305, 7632, 7792, 8766, 9540, 9740, 11688, 12720, 14610, 17532, 19080, 19480, 21915, 23376, 25811, 29220, 35064, 38160, 38960, 43830, 51622, 58440, 70128, 77433, 87660, 103244, 116880, 129055, 154866, 175320, 206488, 232299, 258110, 309732, 350640, 387165, 412976, 464598, 516220, 619464, 774330, 929196, 1032440, 1161495, 1238928, 1548660, 1858392, 2064880, 2322990, 3097320, 3716784, 4645980, 6194640, 9291960, 18583920]

約数ペア:

[(1, 18583920), (2, 9291960), (3, 6194640), (4, 4645980), (5, 3716784), (6, 3097320), (8, 2322990), (9, 2064880), (10, 1858392), (12, 1548660), (15, 1238928), (16, 1161495), (18, 1032440), (20, 929196), (24, 774330), (30, 619464), (36, 516220), (40, 464598), (45, 412976), (48, 387165), (53, 350640), (60, 309732), (72, 258110), (80, 232299), (90, 206488), (106, 175320), (120, 154866), (144, 129055), (159, 116880), (180, 103244), (212, 87660), (240, 77433), (265, 70128), (318, 58440), (360, 51622), (424, 43830), (477, 38960), (487, 38160), (530, 35064), (636, 29220), (720, 25811), (795, 23376), (848, 21915), (954, 19480), (974, 19080), (1060, 17532), (1272, 14610), (1461, 12720), (1590, 11688), (1908, 9740), (1948, 9540), (2120, 8766), (2385, 7792), (2435, 7632), (2544, 7305), (2922, 6360), (3180, 5844), (3816, 4870), (3896, 4770), (4240, 4383)]