19653512

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 38449920

約数和(自身を除く): 18796408

約数列:

[1, 2, 4, 8, 37, 67, 74, 134, 148, 268, 296, 536, 991, 1982, 2479, 3964, 4958, 7928, 9916, 19832, 36667, 66397, 73334, 132794, 146668, 265588, 293336, 531176, 2456689, 4913378, 9826756, 19653512]

約数ペア:

[(1, 19653512), (2, 9826756), (4, 4913378), (8, 2456689), (37, 531176), (67, 293336), (74, 265588), (134, 146668), (148, 132794), (268, 73334), (296, 66397), (536, 36667), (991, 19832), (1982, 9916), (2479, 7928), (3964, 4958)]