18978291648

素因数分解:

$2^6\times 3^2\times {\mathrm{89}}^1\times {\mathrm{370207}}^1$

素因数の和:370314

約数の個数: 84

約数和(自身を含む): 55009206720

約数和(自身を除く): 36030915072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 89, 96, 144, 178, 192, 267, 288, 356, 534, 576, 712, 801, 1068, 1424, 1602, 2136, 2848, 3204, 4272, 5696, 6408, 8544, 12816, 17088, 25632, 51264, 370207, 740414, 1110621, 1480828, 2221242, 2961656, 3331863, 4442484, 5923312, 6663726, 8884968, 11846624, 13327452, 17769936, 23693248, 26654904, 32948423, 35539872, 53309808, 65896846, 71079744, 98845269, 106619616, 131793692, 197690538, 213239232, 263587384, 296535807, 395381076, 527174768, 593071614, 790762152, 1054349536, 1186143228, 1581524304, 2108699072, 2372286456, 3163048608, 4744572912, 6326097216, 9489145824, 18978291648]

約数ペア:

[(1, 18978291648), (2, 9489145824), (3, 6326097216), (4, 4744572912), (6, 3163048608), (8, 2372286456), (9, 2108699072), (12, 1581524304), (16, 1186143228), (18, 1054349536), (24, 790762152), (32, 593071614), (36, 527174768), (48, 395381076), (64, 296535807), (72, 263587384), (89, 213239232), (96, 197690538), (144, 131793692), (178, 106619616), (192, 98845269), (267, 71079744), (288, 65896846), (356, 53309808), (534, 35539872), (576, 32948423), (712, 26654904), (801, 23693248), (1068, 17769936), (1424, 13327452), (1602, 11846624), (2136, 8884968), (2848, 6663726), (3204, 5923312), (4272, 4442484), (5696, 3331863), (6408, 2961656), (8544, 2221242), (12816, 1480828), (17088, 1110621), (25632, 740414), (51264, 370207)]