18732688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{797}}^1$

素因数の和:931

約数の個数: 40

約数和(自身を含む): 39481848

約数和(自身を除く): 20749160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 113, 208, 226, 452, 797, 904, 1469, 1594, 1808, 2938, 3188, 5876, 6376, 10361, 11752, 12752, 20722, 23504, 41444, 82888, 90061, 165776, 180122, 360244, 720488, 1170793, 1440976, 2341586, 4683172, 9366344, 18732688]

約数ペア:

[(1, 18732688), (2, 9366344), (4, 4683172), (8, 2341586), (13, 1440976), (16, 1170793), (26, 720488), (52, 360244), (104, 180122), (113, 165776), (208, 90061), (226, 82888), (452, 41444), (797, 23504), (904, 20722), (1469, 12752), (1594, 11752), (1808, 10361), (2938, 6376), (3188, 5876)]