19636408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{983}}^1$

素因数の和:1227

約数の個数: 32

約数和(自身を含む): 40383360

約数和(自身を除く): 20746952

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 227, 454, 908, 983, 1816, 1966, 2497, 3932, 4994, 7864, 9988, 10813, 19976, 21626, 43252, 86504, 223141, 446282, 892564, 1785128, 2454551, 4909102, 9818204, 19636408]

約数ペア:

[(1, 19636408), (2, 9818204), (4, 4909102), (8, 2454551), (11, 1785128), (22, 892564), (44, 446282), (88, 223141), (227, 86504), (454, 43252), (908, 21626), (983, 19976), (1816, 10813), (1966, 9988), (2497, 7864), (3932, 4994)]