17996966630

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1979}}^1\times {\mathrm{2081}}^1$

素因数の和:4109

約数の個数: 64

約数和(自身を含む): 35617190400

約数和(自身を除く): 17620223770

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 1979, 2081, 2185, 3958, 4162, 4370, 9895, 10405, 19790, 20810, 37601, 39539, 45517, 47863, 75202, 79078, 91034, 95726, 188005, 197695, 227585, 239315, 376010, 395390, 455170, 478630, 864823, 909397, 1729646, 1818794, 4118299, 4324115, 4546985, 8236598, 8648230, 9093970, 20591495, 41182990, 78247681, 94720877, 156495362, 189441754, 391238405, 473604385, 782476810, 947208770, 1799696663, 3599393326, 8998483315, 17996966630]

約数ペア:

[(1, 17996966630), (2, 8998483315), (5, 3599393326), (10, 1799696663), (19, 947208770), (23, 782476810), (38, 473604385), (46, 391238405), (95, 189441754), (115, 156495362), (190, 94720877), (230, 78247681), (437, 41182990), (874, 20591495), (1979, 9093970), (2081, 8648230), (2185, 8236598), (3958, 4546985), (4162, 4324115), (4370, 4118299), (9895, 1818794), (10405, 1729646), (19790, 909397), (20810, 864823), (37601, 478630), (39539, 455170), (45517, 395390), (47863, 376010), (75202, 239315), (79078, 227585), (91034, 197695), (95726, 188005)]