19724425

素因数分解:

$5^2\times 7^1\times {\mathrm{269}}^1\times {\mathrm{419}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 28123200

約数和(自身を除く): 8398775

約数列:

[1, 5, 7, 25, 35, 175, 269, 419, 1345, 1883, 2095, 2933, 6725, 9415, 10475, 14665, 47075, 73325, 112711, 563555, 788977, 2817775, 3944885, 19724425]

約数ペア:

[(1, 19724425), (5, 3944885), (7, 2817775), (25, 788977), (35, 563555), (175, 112711), (269, 73325), (419, 47075), (1345, 14665), (1883, 10475), (2095, 9415), (2933, 6725)]