18884394

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:460

約数の個数: 64

約数和(自身を含む): 44928000

約数和(自身を除く): 26043606

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 31, 54, 58, 62, 87, 93, 174, 186, 261, 279, 389, 522, 558, 778, 783, 837, 899, 1167, 1566, 1674, 1798, 2334, 2697, 3501, 5394, 7002, 8091, 10503, 11281, 12059, 16182, 21006, 22562, 24118, 24273, 33843, 36177, 48546, 67686, 72354, 101529, 108531, 203058, 217062, 304587, 325593, 349711, 609174, 651186, 699422, 1049133, 2098266, 3147399, 6294798, 9442197, 18884394]

約数ペア:

[(1, 18884394), (2, 9442197), (3, 6294798), (6, 3147399), (9, 2098266), (18, 1049133), (27, 699422), (29, 651186), (31, 609174), (54, 349711), (58, 325593), (62, 304587), (87, 217062), (93, 203058), (174, 108531), (186, 101529), (261, 72354), (279, 67686), (389, 48546), (522, 36177), (558, 33843), (778, 24273), (783, 24118), (837, 22562), (899, 21006), (1167, 16182), (1566, 12059), (1674, 11281), (1798, 10503), (2334, 8091), (2697, 7002), (3501, 5394)]