18289969468

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{571633}}^1$

素因数の和:572077

約数の個数: 24

約数和(自身を含む): 33772136720

約数和(自身を除く): 15482167252

約数列:

[1, 2, 4, 19, 38, 76, 421, 842, 1684, 7999, 15998, 31996, 571633, 1143266, 2286532, 10861027, 21722054, 43444108, 240657493, 481314986, 962629972, 4572492367, 9144984734, 18289969468]

約数ペア:

[(1, 18289969468), (2, 9144984734), (4, 4572492367), (19, 962629972), (38, 481314986), (76, 240657493), (421, 43444108), (842, 21722054), (1684, 10861027), (7999, 2286532), (15998, 1143266), (31996, 571633)]