18677724

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1787}}^1$

素因数の和:1874

約数の個数: 48

約数和(自身を含む): 47660928

約数和(自身を除く): 28983204

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 78, 134, 156, 201, 268, 402, 804, 871, 1742, 1787, 2613, 3484, 3574, 5226, 5361, 7148, 10452, 10722, 21444, 23231, 46462, 69693, 92924, 119729, 139386, 239458, 278772, 359187, 478916, 718374, 1436748, 1556477, 3112954, 4669431, 6225908, 9338862, 18677724]

約数ペア:

[(1, 18677724), (2, 9338862), (3, 6225908), (4, 4669431), (6, 3112954), (12, 1556477), (13, 1436748), (26, 718374), (39, 478916), (52, 359187), (67, 278772), (78, 239458), (134, 139386), (156, 119729), (201, 92924), (268, 69693), (402, 46462), (804, 23231), (871, 21444), (1742, 10722), (1787, 10452), (2613, 7148), (3484, 5361), (3574, 5226)]