19378472

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{78139}}^1$

素因数の和:78176

約数の個数: 16

約数和(自身を含む): 37507200

約数和(自身を除く): 18128728

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 78139, 156278, 312556, 625112, 2422309, 4844618, 9689236, 19378472]

約数ペア:

[(1, 19378472), (2, 9689236), (4, 4844618), (8, 2422309), (31, 625112), (62, 312556), (124, 156278), (248, 78139)]