19612677

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 31555584

約数和(自身を除く): 11942907

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 641, 651, 987, 1457, 1923, 4371, 4487, 10199, 13461, 19871, 30127, 30597, 59613, 90381, 139097, 210889, 417291, 632667, 933937, 2801811, 6537559, 19612677]

約数ペア:

[(1, 19612677), (3, 6537559), (7, 2801811), (21, 933937), (31, 632667), (47, 417291), (93, 210889), (141, 139097), (217, 90381), (329, 59613), (641, 30597), (651, 30127), (987, 19871), (1457, 13461), (1923, 10199), (4371, 4487)]