18394920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1381}}^1$

素因数の和:1435

約数の個数: 96

約数和(自身を含む): 61443720

約数和(自身を除く): 43048800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 111, 120, 148, 180, 185, 222, 296, 333, 360, 370, 444, 555, 666, 740, 888, 1110, 1332, 1381, 1480, 1665, 2220, 2664, 2762, 3330, 4143, 4440, 5524, 6660, 6905, 8286, 11048, 12429, 13320, 13810, 16572, 20715, 24858, 27620, 33144, 41430, 49716, 51097, 55240, 62145, 82860, 99432, 102194, 124290, 153291, 165720, 204388, 248580, 255485, 306582, 408776, 459873, 497160, 510970, 613164, 766455, 919746, 1021940, 1226328, 1532910, 1839492, 2043880, 2299365, 3065820, 3678984, 4598730, 6131640, 9197460, 18394920]

約数ペア:

[(1, 18394920), (2, 9197460), (3, 6131640), (4, 4598730), (5, 3678984), (6, 3065820), (8, 2299365), (9, 2043880), (10, 1839492), (12, 1532910), (15, 1226328), (18, 1021940), (20, 919746), (24, 766455), (30, 613164), (36, 510970), (37, 497160), (40, 459873), (45, 408776), (60, 306582), (72, 255485), (74, 248580), (90, 204388), (111, 165720), (120, 153291), (148, 124290), (180, 102194), (185, 99432), (222, 82860), (296, 62145), (333, 55240), (360, 51097), (370, 49716), (444, 41430), (555, 33144), (666, 27620), (740, 24858), (888, 20715), (1110, 16572), (1332, 13810), (1381, 13320), (1480, 12429), (1665, 11048), (2220, 8286), (2664, 6905), (2762, 6660), (3330, 5524), (4143, 4440)]