19245402

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 72

約数和(自身を含む): 47410272

約数和(自身を除く): 28164870

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 71, 74, 99, 111, 142, 198, 213, 222, 333, 407, 426, 639, 666, 781, 814, 1221, 1278, 1369, 1562, 2343, 2442, 2627, 2738, 3663, 4107, 4686, 5254, 7029, 7326, 7881, 8214, 12321, 14058, 15059, 15762, 23643, 24642, 28897, 30118, 45177, 47286, 57794, 86691, 90354, 97199, 135531, 173382, 194398, 260073, 271062, 291597, 520146, 583194, 874791, 1069189, 1749582, 2138378, 3207567, 6415134, 9622701, 19245402]

約数ペア:

[(1, 19245402), (2, 9622701), (3, 6415134), (6, 3207567), (9, 2138378), (11, 1749582), (18, 1069189), (22, 874791), (33, 583194), (37, 520146), (66, 291597), (71, 271062), (74, 260073), (99, 194398), (111, 173382), (142, 135531), (198, 97199), (213, 90354), (222, 86691), (333, 57794), (407, 47286), (426, 45177), (639, 30118), (666, 28897), (781, 24642), (814, 23643), (1221, 15762), (1278, 15059), (1369, 14058), (1562, 12321), (2343, 8214), (2442, 7881), (2627, 7326), (2738, 7029), (3663, 5254), (4107, 4686)]