18945698

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 31881600

約数和(自身を除く): 12935902

約数列:

[1, 2, 19, 23, 38, 46, 53, 106, 409, 437, 818, 874, 1007, 1219, 2014, 2438, 7771, 9407, 15542, 18814, 21677, 23161, 43354, 46322, 178733, 357466, 411863, 498571, 823726, 997142, 9472849, 18945698]

約数ペア:

[(1, 18945698), (2, 9472849), (19, 997142), (23, 823726), (38, 498571), (46, 411863), (53, 357466), (106, 178733), (409, 46322), (437, 43354), (818, 23161), (874, 21677), (1007, 18814), (1219, 15542), (2014, 9407), (2438, 7771)]