19239318

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:178

約数の個数: 96

約数和(自身を含む): 50409216

約数和(自身を除く): 31169898

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 53, 63, 67, 86, 106, 126, 129, 134, 159, 201, 258, 301, 318, 371, 387, 402, 469, 477, 602, 603, 742, 774, 903, 938, 954, 1113, 1206, 1407, 1806, 2226, 2279, 2709, 2814, 2881, 3339, 3551, 4221, 4558, 5418, 5762, 6678, 6837, 7102, 8442, 8643, 10653, 13674, 15953, 17286, 20167, 20511, 21306, 24857, 25929, 31906, 31959, 40334, 41022, 47859, 49714, 51858, 60501, 63918, 74571, 95718, 121002, 143577, 149142, 152693, 181503, 223713, 287154, 305386, 363006, 447426, 458079, 916158, 1068851, 1374237, 2137702, 2748474, 3206553, 6413106, 9619659, 19239318]

約数ペア:

[(1, 19239318), (2, 9619659), (3, 6413106), (6, 3206553), (7, 2748474), (9, 2137702), (14, 1374237), (18, 1068851), (21, 916158), (42, 458079), (43, 447426), (53, 363006), (63, 305386), (67, 287154), (86, 223713), (106, 181503), (126, 152693), (129, 149142), (134, 143577), (159, 121002), (201, 95718), (258, 74571), (301, 63918), (318, 60501), (371, 51858), (387, 49714), (402, 47859), (469, 41022), (477, 40334), (602, 31959), (603, 31906), (742, 25929), (774, 24857), (903, 21306), (938, 20511), (954, 20167), (1113, 17286), (1206, 15953), (1407, 13674), (1806, 10653), (2226, 8643), (2279, 8442), (2709, 7102), (2814, 6837), (2881, 6678), (3339, 5762), (3551, 5418), (4221, 4558)]