2019964460

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{619621}}^1$

素因数の和:619793

約数の個数: 24

約数和(自身を含む): 4267956336

約数和(自身を除く): 2247991876

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 619621, 1239242, 2478484, 3098105, 6196210, 12392420, 100998223, 201996446, 403992892, 504991115, 1009982230, 2019964460]

約数ペア:

[(1, 2019964460), (2, 1009982230), (4, 504991115), (5, 403992892), (10, 201996446), (20, 100998223), (163, 12392420), (326, 6196210), (652, 3098105), (815, 2478484), (1630, 1239242), (3260, 619621)]