19300640

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1699}}^1$

素因数の和:1785

約数の個数: 48

約数和(自身を含む): 46267200

約数和(自身を除く): 26966560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 1699, 2272, 2840, 3398, 5680, 6796, 8495, 11360, 13592, 16990, 27184, 33980, 54368, 67960, 120629, 135920, 241258, 271840, 482516, 603145, 965032, 1206290, 1930064, 2412580, 3860128, 4825160, 9650320, 19300640]

約数ペア:

[(1, 19300640), (2, 9650320), (4, 4825160), (5, 3860128), (8, 2412580), (10, 1930064), (16, 1206290), (20, 965032), (32, 603145), (40, 482516), (71, 271840), (80, 241258), (142, 135920), (160, 120629), (284, 67960), (355, 54368), (568, 33980), (710, 27184), (1136, 16990), (1420, 13592), (1699, 11360), (2272, 8495), (2840, 6796), (3398, 5680)]