17991948

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 48404160

約数和(自身を除く): 30412212

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 41, 52, 58, 78, 82, 87, 97, 116, 123, 156, 164, 174, 194, 246, 291, 348, 377, 388, 492, 533, 582, 754, 1066, 1131, 1164, 1189, 1261, 1508, 1599, 2132, 2262, 2378, 2522, 2813, 3198, 3567, 3783, 3977, 4524, 4756, 5044, 5626, 6396, 7134, 7566, 7954, 8439, 11252, 11931, 14268, 15132, 15457, 15908, 16878, 23862, 30914, 33756, 36569, 46371, 47724, 51701, 61828, 73138, 92742, 103402, 109707, 115333, 146276, 155103, 185484, 206804, 219414, 230666, 310206, 345999, 438828, 461332, 620412, 691998, 1383996, 1499329, 2998658, 4497987, 5997316, 8995974, 17991948]

約数ペア:

[(1, 17991948), (2, 8995974), (3, 5997316), (4, 4497987), (6, 2998658), (12, 1499329), (13, 1383996), (26, 691998), (29, 620412), (39, 461332), (41, 438828), (52, 345999), (58, 310206), (78, 230666), (82, 219414), (87, 206804), (97, 185484), (116, 155103), (123, 146276), (156, 115333), (164, 109707), (174, 103402), (194, 92742), (246, 73138), (291, 61828), (348, 51701), (377, 47724), (388, 46371), (492, 36569), (533, 33756), (582, 30914), (754, 23862), (1066, 16878), (1131, 15908), (1164, 15457), (1189, 15132), (1261, 14268), (1508, 11931), (1599, 11252), (2132, 8439), (2262, 7954), (2378, 7566), (2522, 7134), (2813, 6396), (3198, 5626), (3567, 5044), (3783, 4756), (3977, 4524)]