1811992

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 4435200

約数和(自身を除く): 2623208

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 131, 133, 152, 182, 247, 262, 266, 364, 494, 524, 532, 728, 917, 988, 1048, 1064, 1703, 1729, 1834, 1976, 2489, 3406, 3458, 3668, 4978, 6812, 6916, 7336, 9956, 11921, 13624, 13832, 17423, 19912, 23842, 32357, 34846, 47684, 64714, 69692, 95368, 129428, 139384, 226499, 258856, 452998, 905996, 1811992]

約数ペア:

[(1, 1811992), (2, 905996), (4, 452998), (7, 258856), (8, 226499), (13, 139384), (14, 129428), (19, 95368), (26, 69692), (28, 64714), (38, 47684), (52, 34846), (56, 32357), (76, 23842), (91, 19912), (104, 17423), (131, 13832), (133, 13624), (152, 11921), (182, 9956), (247, 7336), (262, 6916), (266, 6812), (364, 4978), (494, 3668), (524, 3458), (532, 3406), (728, 2489), (917, 1976), (988, 1834), (1048, 1729), (1064, 1703)]