19952712

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21317}}^1$

素因数の和:21342

約数の個数: 48

約数和(自身を含む): 58198140

約数和(自身を除く): 38245428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21317, 42634, 63951, 85268, 127902, 170536, 191853, 255804, 277121, 383706, 511608, 554242, 767412, 831363, 1108484, 1534824, 1662726, 2216968, 2494089, 3325452, 4988178, 6650904, 9976356, 19952712]

約数ペア:

[(1, 19952712), (2, 9976356), (3, 6650904), (4, 4988178), (6, 3325452), (8, 2494089), (9, 2216968), (12, 1662726), (13, 1534824), (18, 1108484), (24, 831363), (26, 767412), (36, 554242), (39, 511608), (52, 383706), (72, 277121), (78, 255804), (104, 191853), (117, 170536), (156, 127902), (234, 85268), (312, 63951), (468, 42634), (936, 21317)]