18915528064

素因数分解:

$2^7\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{18493}}^1$

素因数の和:18699

約数の個数: 64

約数和(自身を含む): 38595498480

約数和(自身を除く): 19679970416

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 131, 244, 262, 488, 524, 976, 1048, 1952, 2096, 3904, 4192, 7808, 7991, 8384, 15982, 16768, 18493, 31964, 36986, 63928, 73972, 127856, 147944, 255712, 295888, 511424, 591776, 1022848, 1128073, 1183552, 2256146, 2367104, 2422583, 4512292, 4845166, 9024584, 9690332, 18049168, 19380664, 36098336, 38761328, 72196672, 77522656, 144393344, 147777563, 155045312, 295555126, 310090624, 591110252, 1182220504, 2364441008, 4728882016, 9457764032, 18915528064]

約数ペア:

[(1, 18915528064), (2, 9457764032), (4, 4728882016), (8, 2364441008), (16, 1182220504), (32, 591110252), (61, 310090624), (64, 295555126), (122, 155045312), (128, 147777563), (131, 144393344), (244, 77522656), (262, 72196672), (488, 38761328), (524, 36098336), (976, 19380664), (1048, 18049168), (1952, 9690332), (2096, 9024584), (3904, 4845166), (4192, 4512292), (7808, 2422583), (7991, 2367104), (8384, 2256146), (15982, 1183552), (16768, 1128073), (18493, 1022848), (31964, 591776), (36986, 511424), (63928, 295888), (73972, 255712), (127856, 147944)]