18244135

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 27280512

約数和(自身を除く): 9036377

約数列:

[1, 5, 7, 13, 35, 65, 91, 101, 397, 455, 505, 707, 1313, 1985, 2779, 3535, 5161, 6565, 9191, 13895, 25805, 36127, 40097, 45955, 180635, 200485, 280679, 521261, 1403395, 2606305, 3648827, 18244135]

約数ペア:

[(1, 18244135), (5, 3648827), (7, 2606305), (13, 1403395), (35, 521261), (65, 280679), (91, 200485), (101, 180635), (397, 45955), (455, 40097), (505, 36127), (707, 25805), (1313, 13895), (1985, 9191), (2779, 6565), (3535, 5161)]