18400558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 13118162

約数列:

[1, 2, 11, 22, 29, 58, 151, 191, 302, 319, 382, 638, 1661, 2101, 3322, 4202, 4379, 5539, 8758, 11078, 28841, 48169, 57682, 60929, 96338, 121858, 317251, 634502, 836389, 1672778, 9200279, 18400558]

約数ペア:

[(1, 18400558), (2, 9200279), (11, 1672778), (22, 836389), (29, 634502), (58, 317251), (151, 121858), (191, 96338), (302, 60929), (319, 57682), (382, 48169), (638, 28841), (1661, 11078), (2101, 8758), (3322, 5539), (4202, 4379)]