19410175

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 25779600

約数和(自身を除く): 6369425

約数列:

[1, 5, 17, 25, 85, 109, 419, 425, 545, 1853, 2095, 2725, 7123, 9265, 10475, 35615, 45671, 46325, 178075, 228355, 776407, 1141775, 3882035, 19410175]

約数ペア:

[(1, 19410175), (5, 3882035), (17, 1141775), (25, 776407), (85, 228355), (109, 178075), (419, 46325), (425, 45671), (545, 35615), (1853, 10475), (2095, 9265), (2725, 7123)]