18705708

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 56179200

約数和(自身を除く): 37473492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 109, 126, 189, 218, 227, 252, 327, 378, 436, 454, 654, 681, 756, 763, 908, 981, 1308, 1362, 1526, 1589, 1962, 2043, 2289, 2724, 2943, 3052, 3178, 3924, 4086, 4578, 4767, 5886, 6129, 6356, 6867, 8172, 9156, 9534, 11772, 12258, 13734, 14301, 19068, 20601, 24516, 24743, 27468, 28602, 41202, 42903, 49486, 57204, 74229, 82404, 85806, 98972, 148458, 171612, 173201, 222687, 296916, 346402, 445374, 519603, 668061, 692804, 890748, 1039206, 1336122, 1558809, 2078412, 2672244, 3117618, 4676427, 6235236, 9352854, 18705708]

約数ペア:

[(1, 18705708), (2, 9352854), (3, 6235236), (4, 4676427), (6, 3117618), (7, 2672244), (9, 2078412), (12, 1558809), (14, 1336122), (18, 1039206), (21, 890748), (27, 692804), (28, 668061), (36, 519603), (42, 445374), (54, 346402), (63, 296916), (84, 222687), (108, 173201), (109, 171612), (126, 148458), (189, 98972), (218, 85806), (227, 82404), (252, 74229), (327, 57204), (378, 49486), (436, 42903), (454, 41202), (654, 28602), (681, 27468), (756, 24743), (763, 24516), (908, 20601), (981, 19068), (1308, 14301), (1362, 13734), (1526, 12258), (1589, 11772), (1962, 9534), (2043, 9156), (2289, 8172), (2724, 6867), (2943, 6356), (3052, 6129), (3178, 5886), (3924, 4767), (4086, 4578)]