18507230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{631}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 38223360

約数和(自身を除く): 19716130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 419, 631, 838, 1262, 2095, 2933, 3155, 4190, 4417, 5866, 6310, 8834, 14665, 22085, 29330, 44170, 264389, 528778, 1321945, 1850723, 2643890, 3701446, 9253615, 18507230]

約数ペア:

[(1, 18507230), (2, 9253615), (5, 3701446), (7, 2643890), (10, 1850723), (14, 1321945), (35, 528778), (70, 264389), (419, 44170), (631, 29330), (838, 22085), (1262, 14665), (2095, 8834), (2933, 6310), (3155, 5866), (4190, 4417)]