19978848504

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{7121}}^1$

素因数の和:7586

約数の個数: 128

約数和(自身を含む): 57431808000

約数和(自身を除く): 37452959496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 124, 186, 216, 248, 279, 372, 419, 558, 744, 837, 838, 1116, 1257, 1674, 1676, 2232, 2514, 3348, 3352, 3771, 5028, 6696, 7121, 7542, 10056, 11313, 12989, 14242, 15084, 21363, 22626, 25978, 28484, 30168, 38967, 42726, 45252, 51956, 56968, 64089, 77934, 85452, 90504, 103912, 116901, 128178, 155868, 170904, 192267, 220751, 233802, 256356, 311736, 350703, 384534, 441502, 467604, 512712, 662253, 701406, 769068, 883004, 935208, 1324506, 1402812, 1538136, 1766008, 1986759, 2649012, 2805624, 2983699, 3973518, 5298024, 5960277, 5967398, 7947036, 8951097, 11920554, 11934796, 15894072, 17902194, 23841108, 23869592, 26853291, 35804388, 47682216, 53706582, 71608776, 80559873, 92494669, 107413164, 161119746, 184989338, 214826328, 277484007, 322239492, 369978676, 554968014, 644478984, 739957352, 832452021, 1109936028, 1664904042, 2219872056, 2497356063, 3329808084, 4994712126, 6659616168, 9989424252, 19978848504]

約数ペア:

[(1, 19978848504), (2, 9989424252), (3, 6659616168), (4, 4994712126), (6, 3329808084), (8, 2497356063), (9, 2219872056), (12, 1664904042), (18, 1109936028), (24, 832452021), (27, 739957352), (31, 644478984), (36, 554968014), (54, 369978676), (62, 322239492), (72, 277484007), (93, 214826328), (108, 184989338), (124, 161119746), (186, 107413164), (216, 92494669), (248, 80559873), (279, 71608776), (372, 53706582), (419, 47682216), (558, 35804388), (744, 26853291), (837, 23869592), (838, 23841108), (1116, 17902194), (1257, 15894072), (1674, 11934796), (1676, 11920554), (2232, 8951097), (2514, 7947036), (3348, 5967398), (3352, 5960277), (3771, 5298024), (5028, 3973518), (6696, 2983699), (7121, 2805624), (7542, 2649012), (10056, 1986759), (11313, 1766008), (12989, 1538136), (14242, 1402812), (15084, 1324506), (21363, 935208), (22626, 883004), (25978, 769068), (28484, 701406), (30168, 662253), (38967, 512712), (42726, 467604), (45252, 441502), (51956, 384534), (56968, 350703), (64089, 311736), (77934, 256356), (85452, 233802), (90504, 220751), (103912, 192267), (116901, 170904), (128178, 155868)]