18736560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{491}}^1$

素因数の和:563

約数の個数: 120

約数和(自身を含む): 64241424

約数和(自身を除く): 45504864

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, 491, 530, 636, 720, 795, 848, 954, 982, 1060, 1272, 1473, 1590, 1908, 1964, 2120, 2385, 2455, 2544, 2946, 3180, 3816, 3928, 4240, 4419, 4770, 4910, 5892, 6360, 7365, 7632, 7856, 8838, 9540, 9820, 11784, 12720, 14730, 17676, 19080, 19640, 22095, 23568, 26023, 29460, 35352, 38160, 39280, 44190, 52046, 58920, 70704, 78069, 88380, 104092, 117840, 130115, 156138, 176760, 208184, 234207, 260230, 312276, 353520, 390345, 416368, 468414, 520460, 624552, 780690, 936828, 1040920, 1171035, 1249104, 1561380, 1873656, 2081840, 2342070, 3122760, 3747312, 4684140, 6245520, 9368280, 18736560]

約数ペア:

[(1, 18736560), (2, 9368280), (3, 6245520), (4, 4684140), (5, 3747312), (6, 3122760), (8, 2342070), (9, 2081840), (10, 1873656), (12, 1561380), (15, 1249104), (16, 1171035), (18, 1040920), (20, 936828), (24, 780690), (30, 624552), (36, 520460), (40, 468414), (45, 416368), (48, 390345), (53, 353520), (60, 312276), (72, 260230), (80, 234207), (90, 208184), (106, 176760), (120, 156138), (144, 130115), (159, 117840), (180, 104092), (212, 88380), (240, 78069), (265, 70704), (318, 58920), (360, 52046), (424, 44190), (477, 39280), (491, 38160), (530, 35352), (636, 29460), (720, 26023), (795, 23568), (848, 22095), (954, 19640), (982, 19080), (1060, 17676), (1272, 14730), (1473, 12720), (1590, 11784), (1908, 9820), (1964, 9540), (2120, 8838), (2385, 7856), (2455, 7632), (2544, 7365), (2946, 6360), (3180, 5892), (3816, 4910), (3928, 4770), (4240, 4419)]