18589538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 31492800

約数和(自身を除く): 12903262

約数列:

[1, 2, 11, 22, 53, 106, 107, 149, 214, 298, 583, 1166, 1177, 1639, 2354, 3278, 5671, 7897, 11342, 15794, 15943, 31886, 62381, 86867, 124762, 173734, 175373, 350746, 844979, 1689958, 9294769, 18589538]

約数ペア:

[(1, 18589538), (2, 9294769), (11, 1689958), (22, 844979), (53, 350746), (106, 175373), (107, 173734), (149, 124762), (214, 86867), (298, 62381), (583, 31886), (1166, 15943), (1177, 15794), (1639, 11342), (2354, 7897), (3278, 5671)]