18638924

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{10663}}^1$

素因数の和:10709

約数の個数: 24

約数和(自身を含む): 35831040

約数和(自身を除く): 17192116

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 10663, 21326, 42652, 202597, 245249, 405194, 490498, 810388, 980996, 4659731, 9319462, 18638924]

約数ペア:

[(1, 18638924), (2, 9319462), (4, 4659731), (19, 980996), (23, 810388), (38, 490498), (46, 405194), (76, 245249), (92, 202597), (437, 42652), (874, 21326), (1748, 10663)]