19614699

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 32864832

約数和(自身を除く): 13250133

約数列:

[1, 3, 9, 13, 23, 37, 39, 69, 111, 117, 197, 207, 299, 333, 481, 591, 851, 897, 1443, 1773, 2553, 2561, 2691, 4329, 4531, 7289, 7659, 7683, 11063, 13593, 21867, 23049, 33189, 40779, 58903, 65601, 94757, 99567, 167647, 176709, 284271, 502941, 530127, 852813, 1508823, 2179411, 6538233, 19614699]

約数ペア:

[(1, 19614699), (3, 6538233), (9, 2179411), (13, 1508823), (23, 852813), (37, 530127), (39, 502941), (69, 284271), (111, 176709), (117, 167647), (197, 99567), (207, 94757), (299, 65601), (333, 58903), (481, 40779), (591, 33189), (851, 23049), (897, 21867), (1443, 13593), (1773, 11063), (2553, 7683), (2561, 7659), (2691, 7289), (4329, 4531)]