18999391293

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1\times {\mathrm{2543}}^1$

素因数の和:2855

約数の個数: 64

約数和(自身を含む): 30068858880

約数和(自身を除く): 11069467587

約数列:

[1, 3, 9, 23, 27, 53, 69, 159, 207, 227, 477, 621, 681, 1219, 1431, 2043, 2543, 3657, 5221, 6129, 7629, 10971, 12031, 15663, 22887, 32913, 36093, 46989, 58489, 68661, 108279, 134779, 140967, 175467, 276713, 324837, 404337, 526401, 577261, 830139, 1213011, 1579203, 1731783, 2490417, 3099917, 3639033, 5195349, 7471251, 9299751, 13277003, 15586047, 27899253, 30594833, 39831009, 83697759, 91784499, 119493027, 275353497, 358479081, 703681159, 826060491, 2111043477, 6333130431, 18999391293]

約数ペア:

[(1, 18999391293), (3, 6333130431), (9, 2111043477), (23, 826060491), (27, 703681159), (53, 358479081), (69, 275353497), (159, 119493027), (207, 91784499), (227, 83697759), (477, 39831009), (621, 30594833), (681, 27899253), (1219, 15586047), (1431, 13277003), (2043, 9299751), (2543, 7471251), (3657, 5195349), (5221, 3639033), (6129, 3099917), (7629, 2490417), (10971, 1731783), (12031, 1579203), (15663, 1213011), (22887, 830139), (32913, 577261), (36093, 526401), (46989, 404337), (58489, 324837), (68661, 276713), (108279, 175467), (134779, 140967)]