18994668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 56329728

約数和(自身を除く): 37335060

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 61, 66, 77, 84, 122, 132, 154, 183, 231, 244, 308, 337, 366, 427, 462, 671, 674, 732, 854, 924, 1011, 1281, 1342, 1348, 1708, 2013, 2022, 2359, 2562, 2684, 3707, 4026, 4044, 4697, 4718, 5124, 7077, 7414, 8052, 9394, 9436, 11121, 14091, 14154, 14828, 18788, 20557, 22242, 25949, 28182, 28308, 41114, 44484, 51898, 56364, 61671, 77847, 82228, 103796, 123342, 143899, 155694, 226127, 246684, 287798, 311388, 431697, 452254, 575596, 678381, 863394, 904508, 1356762, 1582889, 1726788, 2713524, 3165778, 4748667, 6331556, 9497334, 18994668]

約数ペア:

[(1, 18994668), (2, 9497334), (3, 6331556), (4, 4748667), (6, 3165778), (7, 2713524), (11, 1726788), (12, 1582889), (14, 1356762), (21, 904508), (22, 863394), (28, 678381), (33, 575596), (42, 452254), (44, 431697), (61, 311388), (66, 287798), (77, 246684), (84, 226127), (122, 155694), (132, 143899), (154, 123342), (183, 103796), (231, 82228), (244, 77847), (308, 61671), (337, 56364), (366, 51898), (427, 44484), (462, 41114), (671, 28308), (674, 28182), (732, 25949), (854, 22242), (924, 20557), (1011, 18788), (1281, 14828), (1342, 14154), (1348, 14091), (1708, 11121), (2013, 9436), (2022, 9394), (2359, 8052), (2562, 7414), (2684, 7077), (3707, 5124), (4026, 4718), (4044, 4697)]