18904482

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 45342720

約数和(自身を除く): 26438238

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 31, 46, 54, 62, 69, 93, 138, 186, 207, 279, 414, 491, 558, 621, 713, 837, 982, 1242, 1426, 1473, 1674, 2139, 2946, 4278, 4419, 6417, 8838, 11293, 12834, 13257, 15221, 19251, 22586, 26514, 30442, 33879, 38502, 45663, 67758, 91326, 101637, 136989, 203274, 273978, 304911, 350083, 410967, 609822, 700166, 821934, 1050249, 2100498, 3150747, 6301494, 9452241, 18904482]

約数ペア:

[(1, 18904482), (2, 9452241), (3, 6301494), (6, 3150747), (9, 2100498), (18, 1050249), (23, 821934), (27, 700166), (31, 609822), (46, 410967), (54, 350083), (62, 304911), (69, 273978), (93, 203274), (138, 136989), (186, 101637), (207, 91326), (279, 67758), (414, 45663), (491, 38502), (558, 33879), (621, 30442), (713, 26514), (837, 22586), (982, 19251), (1242, 15221), (1426, 13257), (1473, 12834), (1674, 11293), (2139, 8838), (2946, 6417), (4278, 4419)]