19437944

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{709}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 38340000

約数和(自身を除く): 18902056

約数列:

[1, 2, 4, 8, 23, 46, 92, 149, 184, 298, 596, 709, 1192, 1418, 2836, 3427, 5672, 6854, 13708, 16307, 27416, 32614, 65228, 105641, 130456, 211282, 422564, 845128, 2429743, 4859486, 9718972, 19437944]

約数ペア:

[(1, 19437944), (2, 9718972), (4, 4859486), (8, 2429743), (23, 845128), (46, 422564), (92, 211282), (149, 130456), (184, 105641), (298, 65228), (596, 32614), (709, 27416), (1192, 16307), (1418, 13708), (2836, 6854), (3427, 5672)]