18775990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5813}}^1$

素因数の和:5856

約数の個数: 32

約数和(自身を含む): 37674720

約数和(自身を除く): 18898730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 5813, 11626, 29065, 58130, 98821, 110447, 197642, 220894, 494105, 552235, 988210, 1104470, 1877599, 3755198, 9387995, 18775990]

約数ペア:

[(1, 18775990), (2, 9387995), (5, 3755198), (10, 1877599), (17, 1104470), (19, 988210), (34, 552235), (38, 494105), (85, 220894), (95, 197642), (170, 110447), (190, 98821), (323, 58130), (646, 29065), (1615, 11626), (3230, 5813)]