18221196455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{317}}^1\times {\mathrm{863}}^1$

素因数の和:1376

約数の個数: 64

約数和(自身を含む): 27536744448

約数和(自身を除く): 9315547993

約数列:

[1, 5, 7, 11, 35, 55, 77, 173, 317, 385, 863, 865, 1211, 1585, 1903, 2219, 3487, 4315, 6041, 6055, 9493, 9515, 11095, 13321, 17435, 24409, 30205, 47465, 54841, 66451, 66605, 122045, 149299, 273571, 274205, 332255, 383887, 603251, 746495, 1045093, 1367855, 1642289, 1914997, 1919435, 3009281, 3016255, 4222757, 5225465, 8211445, 9574985, 11496023, 15046405, 21064967, 21113785, 47327783, 57480115, 105324835, 236638915, 331294481, 520605613, 1656472405, 2603028065, 3644239291, 18221196455]

約数ペア:

[(1, 18221196455), (5, 3644239291), (7, 2603028065), (11, 1656472405), (35, 520605613), (55, 331294481), (77, 236638915), (173, 105324835), (317, 57480115), (385, 47327783), (863, 21113785), (865, 21064967), (1211, 15046405), (1585, 11496023), (1903, 9574985), (2219, 8211445), (3487, 5225465), (4315, 4222757), (6041, 3016255), (6055, 3009281), (9493, 1919435), (9515, 1914997), (11095, 1642289), (13321, 1367855), (17435, 1045093), (24409, 746495), (30205, 603251), (47465, 383887), (54841, 332255), (66451, 274205), (66605, 273571), (122045, 149299)]