18749451

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 29933568

約数和(自身を除く): 11184117

約数列:

[1, 3, 7, 21, 31, 83, 93, 217, 249, 347, 581, 651, 1041, 1743, 2429, 2573, 7287, 7719, 10757, 18011, 28801, 32271, 54033, 75299, 86403, 201607, 225897, 604821, 892831, 2678493, 6249817, 18749451]

約数ペア:

[(1, 18749451), (3, 6249817), (7, 2678493), (21, 892831), (31, 604821), (83, 225897), (93, 201607), (217, 86403), (249, 75299), (347, 54033), (581, 32271), (651, 28801), (1041, 18011), (1743, 10757), (2429, 7719), (2573, 7287)]