19742904

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{7411}}^1$

素因数の和:7460

約数の個数: 48

約数和(自身を含む): 54922920

約数和(自身を除く): 35180016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 2664, 7411, 14822, 22233, 29644, 44466, 59288, 66699, 88932, 133398, 177864, 266796, 274207, 533592, 548414, 822621, 1096828, 1645242, 2193656, 2467863, 3290484, 4935726, 6580968, 9871452, 19742904]

約数ペア:

[(1, 19742904), (2, 9871452), (3, 6580968), (4, 4935726), (6, 3290484), (8, 2467863), (9, 2193656), (12, 1645242), (18, 1096828), (24, 822621), (36, 548414), (37, 533592), (72, 274207), (74, 266796), (111, 177864), (148, 133398), (222, 88932), (296, 66699), (333, 59288), (444, 44466), (666, 29644), (888, 22233), (1332, 14822), (2664, 7411)]