19997490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9949}}^1$

素因数の和:10026

約数の個数: 32

約数和(自身を含む): 48715200

約数和(自身を除く): 28717710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 9949, 19898, 29847, 49745, 59694, 99490, 149235, 298470, 666583, 1333166, 1999749, 3332915, 3999498, 6665830, 9998745, 19997490]

約数ペア:

[(1, 19997490), (2, 9998745), (3, 6665830), (5, 3999498), (6, 3332915), (10, 1999749), (15, 1333166), (30, 666583), (67, 298470), (134, 149235), (201, 99490), (335, 59694), (402, 49745), (670, 29847), (1005, 19898), (2010, 9949)]