19104800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:211

約数の個数: 144

約数和(自身を含む): 55121472

約数和(自身を除く): 36016672

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 32, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 130, 143, 160, 167, 176, 200, 208, 220, 260, 275, 286, 325, 334, 352, 400, 416, 440, 520, 550, 572, 650, 668, 715, 800, 835, 880, 1040, 1100, 1144, 1300, 1336, 1430, 1670, 1760, 1837, 2080, 2171, 2200, 2288, 2600, 2672, 2860, 3340, 3575, 3674, 4175, 4342, 4400, 4576, 5200, 5344, 5720, 6680, 7150, 7348, 8350, 8684, 8800, 9185, 10400, 10855, 11440, 13360, 14300, 14696, 16700, 17368, 18370, 21710, 22880, 23881, 26720, 28600, 29392, 33400, 34736, 36740, 43420, 45925, 47762, 54275, 57200, 58784, 66800, 69472, 73480, 86840, 91850, 95524, 108550, 114400, 119405, 133600, 146960, 173680, 183700, 191048, 217100, 238810, 293920, 347360, 367400, 382096, 434200, 477620, 597025, 734800, 764192, 868400, 955240, 1194050, 1469600, 1736800, 1910480, 2388100, 3820960, 4776200, 9552400, 19104800]

約数ペア:

[(1, 19104800), (2, 9552400), (4, 4776200), (5, 3820960), (8, 2388100), (10, 1910480), (11, 1736800), (13, 1469600), (16, 1194050), (20, 955240), (22, 868400), (25, 764192), (26, 734800), (32, 597025), (40, 477620), (44, 434200), (50, 382096), (52, 367400), (55, 347360), (65, 293920), (80, 238810), (88, 217100), (100, 191048), (104, 183700), (110, 173680), (130, 146960), (143, 133600), (160, 119405), (167, 114400), (176, 108550), (200, 95524), (208, 91850), (220, 86840), (260, 73480), (275, 69472), (286, 66800), (325, 58784), (334, 57200), (352, 54275), (400, 47762), (416, 45925), (440, 43420), (520, 36740), (550, 34736), (572, 33400), (650, 29392), (668, 28600), (715, 26720), (800, 23881), (835, 22880), (880, 21710), (1040, 18370), (1100, 17368), (1144, 16700), (1300, 14696), (1336, 14300), (1430, 13360), (1670, 11440), (1760, 10855), (1837, 10400), (2080, 9185), (2171, 8800), (2200, 8684), (2288, 8350), (2600, 7348), (2672, 7150), (2860, 6680), (3340, 5720), (3575, 5344), (3674, 5200), (4175, 4576), (4342, 4400)]