18624459

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 30759936

約数和(自身を除く): 12135477

約数列:

[1, 3, 7, 21, 31, 49, 61, 67, 93, 147, 183, 201, 217, 427, 469, 651, 1281, 1407, 1519, 1891, 2077, 2989, 3283, 4087, 4557, 5673, 6231, 8967, 9849, 12261, 13237, 14539, 28609, 39711, 43617, 85827, 92659, 101773, 126697, 200263, 277977, 305319, 380091, 600789, 886879, 2660637, 6208153, 18624459]

約数ペア:

[(1, 18624459), (3, 6208153), (7, 2660637), (21, 886879), (31, 600789), (49, 380091), (61, 305319), (67, 277977), (93, 200263), (147, 126697), (183, 101773), (201, 92659), (217, 85827), (427, 43617), (469, 39711), (651, 28609), (1281, 14539), (1407, 13237), (1519, 12261), (1891, 9849), (2077, 8967), (2989, 6231), (3283, 5673), (4087, 4557)]