18880885072

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{23767}}^1$

素因数の和:23996

約数の個数: 80

約数和(自身を含む): 43076742912

約数和(自身を除く): 24195857840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 173, 287, 328, 346, 574, 656, 692, 1148, 1211, 1384, 2296, 2422, 2768, 4592, 4844, 7093, 9688, 14186, 19376, 23767, 28372, 47534, 49651, 56744, 95068, 99302, 113488, 166369, 190136, 198604, 332738, 380272, 397208, 665476, 794416, 974447, 1330952, 1948894, 2661904, 3897788, 4111691, 6821129, 7795576, 8223382, 13642258, 15591152, 16446764, 27284516, 28781837, 32893528, 54569032, 57563674, 65787056, 109138064, 115127348, 168579331, 230254696, 337158662, 460509392, 674317324, 1180055317, 1348634648, 2360110634, 2697269296, 4720221268, 9440442536, 18880885072]

約数ペア:

[(1, 18880885072), (2, 9440442536), (4, 4720221268), (7, 2697269296), (8, 2360110634), (14, 1348634648), (16, 1180055317), (28, 674317324), (41, 460509392), (56, 337158662), (82, 230254696), (112, 168579331), (164, 115127348), (173, 109138064), (287, 65787056), (328, 57563674), (346, 54569032), (574, 32893528), (656, 28781837), (692, 27284516), (1148, 16446764), (1211, 15591152), (1384, 13642258), (2296, 8223382), (2422, 7795576), (2768, 6821129), (4592, 4111691), (4844, 3897788), (7093, 2661904), (9688, 1948894), (14186, 1330952), (19376, 974447), (23767, 794416), (28372, 665476), (47534, 397208), (49651, 380272), (56744, 332738), (95068, 198604), (99302, 190136), (113488, 166369)]