19318860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{887}}^1$

素因数の和:924

約数の個数: 108

約数和(自身を含む): 64484784

約数和(自身を除く): 45165924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 887, 990, 1089, 1210, 1452, 1774, 1815, 1980, 2178, 2420, 2661, 3548, 3630, 4356, 4435, 5322, 5445, 7260, 7983, 8870, 9757, 10644, 10890, 13305, 15966, 17740, 19514, 21780, 26610, 29271, 31932, 39028, 39915, 48785, 53220, 58542, 79830, 87813, 97570, 107327, 117084, 146355, 159660, 175626, 195140, 214654, 292710, 321981, 351252, 429308, 439065, 536635, 585420, 643962, 878130, 965943, 1073270, 1287924, 1609905, 1756260, 1931886, 2146540, 3219810, 3863772, 4829715, 6439620, 9659430, 19318860]

約数ペア:

[(1, 19318860), (2, 9659430), (3, 6439620), (4, 4829715), (5, 3863772), (6, 3219810), (9, 2146540), (10, 1931886), (11, 1756260), (12, 1609905), (15, 1287924), (18, 1073270), (20, 965943), (22, 878130), (30, 643962), (33, 585420), (36, 536635), (44, 439065), (45, 429308), (55, 351252), (60, 321981), (66, 292710), (90, 214654), (99, 195140), (110, 175626), (121, 159660), (132, 146355), (165, 117084), (180, 107327), (198, 97570), (220, 87813), (242, 79830), (330, 58542), (363, 53220), (396, 48785), (484, 39915), (495, 39028), (605, 31932), (660, 29271), (726, 26610), (887, 21780), (990, 19514), (1089, 17740), (1210, 15966), (1452, 13305), (1774, 10890), (1815, 10644), (1980, 9757), (2178, 8870), (2420, 7983), (2661, 7260), (3548, 5445), (3630, 5322), (4356, 4435)]