19971796156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{42727}}^1$

素因数の和:42934

約数の個数: 48

約数和(自身を含む): 38439817920

約数和(自身を除く): 18468021764

約数列:

[1, 2, 4, 13, 26, 52, 89, 101, 178, 202, 356, 404, 1157, 1313, 2314, 2626, 4628, 5252, 8989, 17978, 35956, 42727, 85454, 116857, 170908, 233714, 467428, 555451, 1110902, 2221804, 3802703, 4315427, 7605406, 8630854, 15210812, 17261708, 49435139, 56100551, 98870278, 112201102, 197740556, 224402204, 384073003, 768146006, 1536292012, 4992949039, 9985898078, 19971796156]

約数ペア:

[(1, 19971796156), (2, 9985898078), (4, 4992949039), (13, 1536292012), (26, 768146006), (52, 384073003), (89, 224402204), (101, 197740556), (178, 112201102), (202, 98870278), (356, 56100551), (404, 49435139), (1157, 17261708), (1313, 15210812), (2314, 8630854), (2626, 7605406), (4628, 4315427), (5252, 3802703), (8989, 2221804), (17978, 1110902), (35956, 555451), (42727, 467428), (85454, 233714), (116857, 170908)]