18785382

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{557}}^1$

素因数の和:653

約数の個数: 64

約数和(自身を含む): 47568384

約数和(自身を除く): 28783002

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 73, 77, 146, 154, 219, 231, 438, 462, 511, 557, 803, 1022, 1114, 1533, 1606, 1671, 2409, 3066, 3342, 3899, 4818, 5621, 6127, 7798, 11242, 11697, 12254, 16863, 18381, 23394, 33726, 36762, 40661, 42889, 81322, 85778, 121983, 128667, 243966, 257334, 284627, 447271, 569254, 853881, 894542, 1341813, 1707762, 2683626, 3130897, 6261794, 9392691, 18785382]

約数ペア:

[(1, 18785382), (2, 9392691), (3, 6261794), (6, 3130897), (7, 2683626), (11, 1707762), (14, 1341813), (21, 894542), (22, 853881), (33, 569254), (42, 447271), (66, 284627), (73, 257334), (77, 243966), (146, 128667), (154, 121983), (219, 85778), (231, 81322), (438, 42889), (462, 40661), (511, 36762), (557, 33726), (803, 23394), (1022, 18381), (1114, 16863), (1533, 12254), (1606, 11697), (1671, 11242), (2409, 7798), (3066, 6127), (3342, 5621), (3899, 4818)]