18093640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 43234560

約数和(自身を除く): 25140920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 184, 230, 277, 284, 355, 460, 554, 568, 710, 920, 1108, 1385, 1420, 1633, 2216, 2770, 2840, 3266, 5540, 6371, 6532, 8165, 11080, 12742, 13064, 16330, 19667, 25484, 31855, 32660, 39334, 50968, 63710, 65320, 78668, 98335, 127420, 157336, 196670, 254840, 393340, 452341, 786680, 904682, 1809364, 2261705, 3618728, 4523410, 9046820, 18093640]

約数ペア:

[(1, 18093640), (2, 9046820), (4, 4523410), (5, 3618728), (8, 2261705), (10, 1809364), (20, 904682), (23, 786680), (40, 452341), (46, 393340), (71, 254840), (92, 196670), (115, 157336), (142, 127420), (184, 98335), (230, 78668), (277, 65320), (284, 63710), (355, 50968), (460, 39334), (554, 32660), (568, 31855), (710, 25484), (920, 19667), (1108, 16330), (1385, 13064), (1420, 12742), (1633, 11080), (2216, 8165), (2770, 6532), (2840, 6371), (3266, 5540)]