18488977455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{42499}}^1$

素因数の和:42640

約数の個数: 64

約数和(自身を含む): 33586560000

約数和(自身を除く): 15097582545

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 97, 115, 195, 291, 299, 345, 485, 897, 1261, 1455, 1495, 2231, 3783, 4485, 6305, 6693, 11155, 18915, 29003, 33465, 42499, 87009, 127497, 145015, 212495, 435045, 552487, 637485, 977477, 1657461, 2762435, 2932431, 4122403, 4887385, 8287305, 12367209, 12707201, 14662155, 20612015, 38121603, 53591239, 61836045, 63536005, 94815269, 160773717, 190608015, 267956195, 284445807, 474076345, 803868585, 1232598497, 1422229035, 3697795491, 6162992485, 18488977455]

約数ペア:

[(1, 18488977455), (3, 6162992485), (5, 3697795491), (13, 1422229035), (15, 1232598497), (23, 803868585), (39, 474076345), (65, 284445807), (69, 267956195), (97, 190608015), (115, 160773717), (195, 94815269), (291, 63536005), (299, 61836045), (345, 53591239), (485, 38121603), (897, 20612015), (1261, 14662155), (1455, 12707201), (1495, 12367209), (2231, 8287305), (3783, 4887385), (4485, 4122403), (6305, 2932431), (6693, 2762435), (11155, 1657461), (18915, 977477), (29003, 637485), (33465, 552487), (42499, 435045), (87009, 212495), (127497, 145015)]