19864810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1741}}^1$

素因数の和:1918

約数の個数: 32

約数和(自身を含む): 41139072

約数和(自身を除く): 21274262

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 163, 326, 815, 1141, 1630, 1741, 2282, 3482, 5705, 8705, 11410, 12187, 17410, 24374, 60935, 121870, 283783, 567566, 1418915, 1986481, 2837830, 3972962, 9932405, 19864810]

約数ペア:

[(1, 19864810), (2, 9932405), (5, 3972962), (7, 2837830), (10, 1986481), (14, 1418915), (35, 567566), (70, 283783), (163, 121870), (326, 60935), (815, 24374), (1141, 17410), (1630, 12187), (1741, 11410), (2282, 8705), (3482, 5705)]