18179679978

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{587}}^1\times {\mathrm{661}}^1$

素因数の和:1412

約数の個数: 96

約数和(自身を含む): 41899515840

約数和(自身を除く): 23719835862

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 137, 171, 274, 342, 411, 587, 661, 822, 1174, 1233, 1322, 1761, 1983, 2466, 2603, 3522, 3966, 5206, 5283, 5949, 7809, 10566, 11153, 11898, 12559, 15618, 22306, 23427, 25118, 33459, 37677, 46854, 66918, 75354, 80419, 90557, 100377, 113031, 160838, 181114, 200754, 226062, 241257, 271671, 388007, 482514, 543342, 723771, 776014, 815013, 1164021, 1447542, 1527961, 1630026, 1720583, 2328042, 3055922, 3441166, 3492063, 4583883, 5161749, 6984126, 7372133, 9167766, 10323498, 13751649, 14744266, 15485247, 22116399, 27503298, 30970494, 44232798, 53156959, 66349197, 106313918, 132698394, 159470877, 318941754, 478412631, 956825262, 1009982221, 2019964442, 3029946663, 6059893326, 9089839989, 18179679978]

約数ペア:

[(1, 18179679978), (2, 9089839989), (3, 6059893326), (6, 3029946663), (9, 2019964442), (18, 1009982221), (19, 956825262), (38, 478412631), (57, 318941754), (114, 159470877), (137, 132698394), (171, 106313918), (274, 66349197), (342, 53156959), (411, 44232798), (587, 30970494), (661, 27503298), (822, 22116399), (1174, 15485247), (1233, 14744266), (1322, 13751649), (1761, 10323498), (1983, 9167766), (2466, 7372133), (2603, 6984126), (3522, 5161749), (3966, 4583883), (5206, 3492063), (5283, 3441166), (5949, 3055922), (7809, 2328042), (10566, 1720583), (11153, 1630026), (11898, 1527961), (12559, 1447542), (15618, 1164021), (22306, 815013), (23427, 776014), (25118, 723771), (33459, 543342), (37677, 482514), (46854, 388007), (66918, 271671), (75354, 241257), (80419, 226062), (90557, 200754), (100377, 181114), (113031, 160838)]