18196220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5651}}^1$

素因数の和:5690

約数の個数: 48

約数和(自身を含む): 45577728

約数和(自身を除く): 27381508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 5651, 11302, 22604, 28255, 39557, 56510, 79114, 113020, 129973, 158228, 197785, 259946, 395570, 519892, 649865, 791140, 909811, 1299730, 1819622, 2599460, 3639244, 4549055, 9098110, 18196220]

約数ペア:

[(1, 18196220), (2, 9098110), (4, 4549055), (5, 3639244), (7, 2599460), (10, 1819622), (14, 1299730), (20, 909811), (23, 791140), (28, 649865), (35, 519892), (46, 395570), (70, 259946), (92, 197785), (115, 158228), (140, 129973), (161, 113020), (230, 79114), (322, 56510), (460, 39557), (644, 28255), (805, 22604), (1610, 11302), (3220, 5651)]