18477745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{601}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 26699904

約数和(自身を除く): 8222159

約数列:

[1, 5, 11, 13, 43, 55, 65, 143, 215, 473, 559, 601, 715, 2365, 2795, 3005, 6149, 6611, 7813, 25843, 30745, 33055, 39065, 85943, 129215, 284273, 335959, 429715, 1421365, 1679795, 3695549, 18477745]

約数ペア:

[(1, 18477745), (5, 3695549), (11, 1679795), (13, 1421365), (43, 429715), (55, 335959), (65, 284273), (143, 129215), (215, 85943), (473, 39065), (559, 33055), (601, 30745), (715, 25843), (2365, 7813), (2795, 6611), (3005, 6149)]