18499988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{991}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 34997760

約数和(自身を除く): 16497772

約数列:

[1, 2, 4, 13, 26, 52, 359, 718, 991, 1436, 1982, 3964, 4667, 9334, 12883, 18668, 25766, 51532, 355769, 711538, 1423076, 4624997, 9249994, 18499988]

約数ペア:

[(1, 18499988), (2, 9249994), (4, 4624997), (13, 1423076), (26, 711538), (52, 355769), (359, 51532), (718, 25766), (991, 18668), (1436, 12883), (1982, 9334), (3964, 4667)]