19917376

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{10039}}^1$

素因数の和:10082

約数の個数: 28

約数和(自身を含む): 40802560

約数和(自身を除く): 20885184

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 992, 1984, 10039, 20078, 40156, 80312, 160624, 311209, 321248, 622418, 642496, 1244836, 2489672, 4979344, 9958688, 19917376]

約数ペア:

[(1, 19917376), (2, 9958688), (4, 4979344), (8, 2489672), (16, 1244836), (31, 642496), (32, 622418), (62, 321248), (64, 311209), (124, 160624), (248, 80312), (496, 40156), (992, 20078), (1984, 10039)]