19790490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1993}}^1$

素因数の和:2334

約数の個数: 32

約数和(自身を含む): 47664576

約数和(自身を除く): 27874086

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 331, 662, 993, 1655, 1986, 1993, 3310, 3986, 4965, 5979, 9930, 9965, 11958, 19930, 29895, 59790, 659683, 1319366, 1979049, 3298415, 3958098, 6596830, 9895245, 19790490]

約数ペア:

[(1, 19790490), (2, 9895245), (3, 6596830), (5, 3958098), (6, 3298415), (10, 1979049), (15, 1319366), (30, 659683), (331, 59790), (662, 29895), (993, 19930), (1655, 11958), (1986, 9965), (1993, 9930), (3310, 5979), (3986, 4965)]