31943826

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 79073280

約数和(自身を除く): 47129454

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 31, 38, 46, 57, 62, 69, 93, 114, 131, 138, 171, 186, 207, 262, 279, 342, 393, 414, 437, 558, 589, 713, 786, 874, 1178, 1179, 1311, 1426, 1767, 2139, 2358, 2489, 2622, 3013, 3534, 3933, 4061, 4278, 4978, 5301, 6026, 6417, 7467, 7866, 8122, 9039, 10602, 12183, 12834, 13547, 14934, 18078, 22401, 24366, 27094, 27117, 36549, 40641, 44802, 54234, 57247, 73098, 77159, 81282, 93403, 114494, 121923, 154318, 171741, 186806, 231477, 243846, 280209, 343482, 462954, 515223, 560418, 694431, 840627, 1030446, 1388862, 1681254, 1774657, 3549314, 5323971, 10647942, 15971913, 31943826]

約数ペア:

[(1, 31943826), (2, 15971913), (3, 10647942), (6, 5323971), (9, 3549314), (18, 1774657), (19, 1681254), (23, 1388862), (31, 1030446), (38, 840627), (46, 694431), (57, 560418), (62, 515223), (69, 462954), (93, 343482), (114, 280209), (131, 243846), (138, 231477), (171, 186806), (186, 171741), (207, 154318), (262, 121923), (279, 114494), (342, 93403), (393, 81282), (414, 77159), (437, 73098), (558, 57247), (589, 54234), (713, 44802), (786, 40641), (874, 36549), (1178, 27117), (1179, 27094), (1311, 24366), (1426, 22401), (1767, 18078), (2139, 14934), (2358, 13547), (2489, 12834), (2622, 12183), (3013, 10602), (3534, 9039), (3933, 8122), (4061, 7866), (4278, 7467), (4978, 6417), (5301, 6026)]