18519996

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{811}}^1$

素因数の和:1002

約数の個数: 48

約数和(自身を含む): 47472768

約数和(自身を除く): 28952772

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 173, 346, 519, 692, 811, 1038, 1622, 1903, 2076, 2433, 3244, 3806, 4866, 5709, 7612, 8921, 9732, 11418, 17842, 22836, 26763, 35684, 53526, 107052, 140303, 280606, 420909, 561212, 841818, 1543333, 1683636, 3086666, 4629999, 6173332, 9259998, 18519996]

約数ペア:

[(1, 18519996), (2, 9259998), (3, 6173332), (4, 4629999), (6, 3086666), (11, 1683636), (12, 1543333), (22, 841818), (33, 561212), (44, 420909), (66, 280606), (132, 140303), (173, 107052), (346, 53526), (519, 35684), (692, 26763), (811, 22836), (1038, 17842), (1622, 11418), (1903, 9732), (2076, 8921), (2433, 7612), (3244, 5709), (3806, 4866)]