18442228

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4091}}^1$

素因数の和:4132

約数の個数: 36

約数和(自身を含む): 39184992

約数和(自身を除く): 20742764

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4091, 4508, 8182, 16364, 28637, 57274, 94093, 114548, 188186, 200459, 376372, 400918, 658651, 801836, 1317302, 2634604, 4610557, 9221114, 18442228]

約数ペア:

[(1, 18442228), (2, 9221114), (4, 4610557), (7, 2634604), (14, 1317302), (23, 801836), (28, 658651), (46, 400918), (49, 376372), (92, 200459), (98, 188186), (161, 114548), (196, 94093), (322, 57274), (644, 28637), (1127, 16364), (2254, 8182), (4091, 4508)]