18306470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20117}}^1$

素因数の和:20144

約数の個数: 32

約数和(自身を含む): 40557888

約数和(自身を除く): 22251418

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20117, 40234, 100585, 140819, 201170, 261521, 281638, 523042, 704095, 1307605, 1408190, 1830647, 2615210, 3661294, 9153235, 18306470]

約数ペア:

[(1, 18306470), (2, 9153235), (5, 3661294), (7, 2615210), (10, 1830647), (13, 1408190), (14, 1307605), (26, 704095), (35, 523042), (65, 281638), (70, 261521), (91, 201170), (130, 140819), (182, 100585), (455, 40234), (910, 20117)]