18919575

素因数分解:

$3^4\times 5^2\times {\mathrm{9343}}^1$

素因数の和:9365

約数の個数: 30

約数和(自身を含む): 35049344

約数和(自身を除く): 16129769

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9343, 28029, 46715, 84087, 140145, 233575, 252261, 420435, 700725, 756783, 1261305, 2102175, 3783915, 6306525, 18919575]

約数ペア:

[(1, 18919575), (3, 6306525), (5, 3783915), (9, 2102175), (15, 1261305), (25, 756783), (27, 700725), (45, 420435), (75, 252261), (81, 233575), (135, 140145), (225, 84087), (405, 46715), (675, 28029), (2025, 9343)]