19705548

素因数分解:

$2^2\times 3^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 27468852

約数列:

[1, 2, 3, 4, 6, 12, 103, 107, 149, 206, 214, 298, 309, 321, 412, 428, 447, 596, 618, 642, 894, 1236, 1284, 1788, 11021, 15347, 15943, 22042, 30694, 31886, 33063, 44084, 46041, 47829, 61388, 63772, 66126, 92082, 95658, 132252, 184164, 191316, 1642129, 3284258, 4926387, 6568516, 9852774, 19705548]

約数ペア:

[(1, 19705548), (2, 9852774), (3, 6568516), (4, 4926387), (6, 3284258), (12, 1642129), (103, 191316), (107, 184164), (149, 132252), (206, 95658), (214, 92082), (298, 66126), (309, 63772), (321, 61388), (412, 47829), (428, 46041), (447, 44084), (596, 33063), (618, 31886), (642, 30694), (894, 22042), (1236, 15943), (1284, 15347), (1788, 11021)]