18642228

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 49246176

約数和(自身を除く): 30603948

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 121, 132, 148, 222, 242, 347, 363, 407, 444, 484, 694, 726, 814, 1041, 1221, 1388, 1452, 1628, 2082, 2442, 3817, 4164, 4477, 4884, 7634, 8954, 11451, 12839, 13431, 15268, 17908, 22902, 25678, 26862, 38517, 41987, 45804, 51356, 53724, 77034, 83974, 125961, 141229, 154068, 167948, 251922, 282458, 423687, 503844, 564916, 847374, 1553519, 1694748, 3107038, 4660557, 6214076, 9321114, 18642228]

約数ペア:

[(1, 18642228), (2, 9321114), (3, 6214076), (4, 4660557), (6, 3107038), (11, 1694748), (12, 1553519), (22, 847374), (33, 564916), (37, 503844), (44, 423687), (66, 282458), (74, 251922), (111, 167948), (121, 154068), (132, 141229), (148, 125961), (222, 83974), (242, 77034), (347, 53724), (363, 51356), (407, 45804), (444, 41987), (484, 38517), (694, 26862), (726, 25678), (814, 22902), (1041, 17908), (1221, 15268), (1388, 13431), (1452, 12839), (1628, 11451), (2082, 8954), (2442, 7634), (3817, 4884), (4164, 4477)]