518456420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1364359}}^1$

素因数の和:1364387

約数の個数: 24

約数和(自身を含む): 1146062400

約数和(自身を除く): 627605980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1364359, 2728718, 5457436, 6821795, 13643590, 25922821, 27287180, 51845642, 103691284, 129614105, 259228210, 518456420]

約数ペア:

[(1, 518456420), (2, 259228210), (4, 129614105), (5, 103691284), (10, 51845642), (19, 27287180), (20, 25922821), (38, 13643590), (76, 6821795), (95, 5457436), (190, 2728718), (380, 1364359)]