196557584

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{646571}}^1$

素因数の和:646598

約数の個数: 20

約数和(自身を含む): 400874640

約数和(自身を除く): 204317056

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 646571, 1293142, 2586284, 5172568, 10345136, 12284849, 24569698, 49139396, 98278792, 196557584]

約数ペア:

[(1, 196557584), (2, 98278792), (4, 49139396), (8, 24569698), (16, 12284849), (19, 10345136), (38, 5172568), (76, 2586284), (152, 1293142), (304, 646571)]