17899682260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1\times {\mathrm{881}}^1$

素因数の和:1457

約数の個数: 96

約数和(自身を含む): 40019374080

約数和(自身を除く): 22119691820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 127, 190, 254, 380, 421, 508, 635, 842, 881, 1270, 1684, 1762, 2105, 2413, 2540, 3524, 4210, 4405, 4826, 7999, 8420, 8810, 9652, 12065, 15998, 16739, 17620, 24130, 31996, 33478, 39995, 48260, 53467, 66956, 79990, 83695, 106934, 111887, 159980, 167390, 213868, 223774, 267335, 334780, 370901, 447548, 534670, 559435, 741802, 1015873, 1069340, 1118870, 1483604, 1854505, 2031746, 2125853, 2237740, 3709010, 4063492, 4251706, 5079365, 7047119, 7418020, 8503412, 10158730, 10629265, 14094238, 20317460, 21258530, 28188476, 35235595, 42517060, 47104427, 70471190, 94208854, 140942380, 188417708, 235522135, 471044270, 894984113, 942088540, 1789968226, 3579936452, 4474920565, 8949841130, 17899682260]

約数ペア:

[(1, 17899682260), (2, 8949841130), (4, 4474920565), (5, 3579936452), (10, 1789968226), (19, 942088540), (20, 894984113), (38, 471044270), (76, 235522135), (95, 188417708), (127, 140942380), (190, 94208854), (254, 70471190), (380, 47104427), (421, 42517060), (508, 35235595), (635, 28188476), (842, 21258530), (881, 20317460), (1270, 14094238), (1684, 10629265), (1762, 10158730), (2105, 8503412), (2413, 7418020), (2540, 7047119), (3524, 5079365), (4210, 4251706), (4405, 4063492), (4826, 3709010), (7999, 2237740), (8420, 2125853), (8810, 2031746), (9652, 1854505), (12065, 1483604), (15998, 1118870), (16739, 1069340), (17620, 1015873), (24130, 741802), (31996, 559435), (33478, 534670), (39995, 447548), (48260, 370901), (53467, 334780), (66956, 267335), (79990, 223774), (83695, 213868), (106934, 167390), (111887, 159980)]