172642018

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 278784000

約数和(自身を除く): 106141982

約数列:

[1, 2, 19, 38, 79, 131, 158, 262, 439, 878, 1501, 2489, 3002, 4978, 8341, 10349, 16682, 20698, 34681, 57509, 69362, 115018, 196631, 393262, 658939, 1092671, 1317878, 2185342, 4543211, 9086422, 86321009, 172642018]

約数ペア:

[(1, 172642018), (2, 86321009), (19, 9086422), (38, 4543211), (79, 2185342), (131, 1317878), (158, 1092671), (262, 658939), (439, 393262), (878, 196631), (1501, 115018), (2489, 69362), (3002, 57509), (4978, 34681), (8341, 20698), (10349, 16682)]