18947417248

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{2341}}^1$

素因数の和:2622

約数の個数: 96

約数和(自身を含む): 39660364800

約数和(自身を除く): 20712947552

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 82, 124, 164, 199, 248, 328, 398, 496, 656, 796, 992, 1271, 1312, 1592, 2341, 2542, 3184, 4682, 5084, 6169, 6368, 8159, 9364, 10168, 12338, 16318, 18728, 20336, 24676, 32636, 37456, 40672, 49352, 65272, 72571, 74912, 95981, 98704, 130544, 145142, 191962, 197408, 252929, 261088, 290284, 383924, 465859, 505858, 580568, 767848, 931718, 1011716, 1161136, 1535696, 1863436, 2023432, 2322272, 2975411, 3071392, 3726872, 4046864, 5950822, 7453744, 8093728, 11901644, 14441629, 14907488, 19100219, 23803288, 28883258, 38200438, 47606576, 57766516, 76400876, 95213152, 115533032, 152801752, 231066064, 305603504, 462132128, 592106789, 611207008, 1184213578, 2368427156, 4736854312, 9473708624, 18947417248]

約数ペア:

[(1, 18947417248), (2, 9473708624), (4, 4736854312), (8, 2368427156), (16, 1184213578), (31, 611207008), (32, 592106789), (41, 462132128), (62, 305603504), (82, 231066064), (124, 152801752), (164, 115533032), (199, 95213152), (248, 76400876), (328, 57766516), (398, 47606576), (496, 38200438), (656, 28883258), (796, 23803288), (992, 19100219), (1271, 14907488), (1312, 14441629), (1592, 11901644), (2341, 8093728), (2542, 7453744), (3184, 5950822), (4682, 4046864), (5084, 3726872), (6169, 3071392), (6368, 2975411), (8159, 2322272), (9364, 2023432), (10168, 1863436), (12338, 1535696), (16318, 1161136), (18728, 1011716), (20336, 931718), (24676, 767848), (32636, 580568), (37456, 505858), (40672, 465859), (49352, 383924), (65272, 290284), (72571, 261088), (74912, 252929), (95981, 197408), (98704, 191962), (130544, 145142)]