19877296325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{54959}}^1$

素因数の和:55046

約数の個数: 48

約数和(自身を含む): 27968924160

約数和(自身を除く): 8091627835

約数列:

[1, 5, 17, 23, 25, 37, 85, 115, 185, 391, 425, 575, 629, 851, 925, 1955, 3145, 4255, 9775, 14467, 15725, 21275, 54959, 72335, 274795, 361675, 934303, 1264057, 1373975, 2033483, 4671515, 6320285, 10167415, 21488969, 23357575, 31601425, 34569211, 46770109, 50837075, 107444845, 172846055, 233850545, 537224225, 795091853, 864230275, 1169252725, 3975459265, 19877296325]

約数ペア:

[(1, 19877296325), (5, 3975459265), (17, 1169252725), (23, 864230275), (25, 795091853), (37, 537224225), (85, 233850545), (115, 172846055), (185, 107444845), (391, 50837075), (425, 46770109), (575, 34569211), (629, 31601425), (851, 23357575), (925, 21488969), (1955, 10167415), (3145, 6320285), (4255, 4671515), (9775, 2033483), (14467, 1373975), (15725, 1264057), (21275, 934303), (54959, 361675), (72335, 274795)]