18772971

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 29611008

約数和(自身を除く): 10838037

約数列:

[1, 3, 7, 21, 53, 101, 159, 167, 303, 371, 501, 707, 1113, 1169, 2121, 3507, 5353, 8851, 16059, 16867, 26553, 37471, 50601, 61957, 112413, 118069, 185871, 354207, 893951, 2681853, 6257657, 18772971]

約数ペア:

[(1, 18772971), (3, 6257657), (7, 2681853), (21, 893951), (53, 354207), (101, 185871), (159, 118069), (167, 112413), (303, 61957), (371, 50601), (501, 37471), (707, 26553), (1113, 16867), (1169, 16059), (2121, 8851), (3507, 5353)]