18367920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:379

約数の個数: 120

約数和(自身を含む): 62558496

約数和(自身を除く): 44190576

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 97, 120, 144, 180, 194, 240, 263, 291, 360, 388, 485, 526, 582, 720, 776, 789, 873, 970, 1052, 1164, 1315, 1455, 1552, 1578, 1746, 1940, 2104, 2328, 2367, 2630, 2910, 3156, 3492, 3880, 3945, 4208, 4365, 4656, 4734, 5260, 5820, 6312, 6984, 7760, 7890, 8730, 9468, 10520, 11640, 11835, 12624, 13968, 15780, 17460, 18936, 21040, 23280, 23670, 25511, 31560, 34920, 37872, 47340, 51022, 63120, 69840, 76533, 94680, 102044, 127555, 153066, 189360, 204088, 229599, 255110, 306132, 382665, 408176, 459198, 510220, 612264, 765330, 918396, 1020440, 1147995, 1224528, 1530660, 1836792, 2040880, 2295990, 3061320, 3673584, 4591980, 6122640, 9183960, 18367920]

約数ペア:

[(1, 18367920), (2, 9183960), (3, 6122640), (4, 4591980), (5, 3673584), (6, 3061320), (8, 2295990), (9, 2040880), (10, 1836792), (12, 1530660), (15, 1224528), (16, 1147995), (18, 1020440), (20, 918396), (24, 765330), (30, 612264), (36, 510220), (40, 459198), (45, 408176), (48, 382665), (60, 306132), (72, 255110), (80, 229599), (90, 204088), (97, 189360), (120, 153066), (144, 127555), (180, 102044), (194, 94680), (240, 76533), (263, 69840), (291, 63120), (360, 51022), (388, 47340), (485, 37872), (526, 34920), (582, 31560), (720, 25511), (776, 23670), (789, 23280), (873, 21040), (970, 18936), (1052, 17460), (1164, 15780), (1315, 13968), (1455, 12624), (1552, 11835), (1578, 11640), (1746, 10520), (1940, 9468), (2104, 8730), (2328, 7890), (2367, 7760), (2630, 6984), (2910, 6312), (3156, 5820), (3492, 5260), (3880, 4734), (3945, 4656), (4208, 4365)]