19318440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 62928000

約数和(自身を除く): 43609560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 37, 38, 40, 57, 60, 74, 76, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 229, 285, 296, 370, 380, 444, 456, 458, 555, 570, 687, 703, 740, 760, 888, 916, 1110, 1140, 1145, 1374, 1406, 1480, 1832, 2109, 2220, 2280, 2290, 2748, 2812, 3435, 3515, 4218, 4351, 4440, 4580, 5496, 5624, 6870, 7030, 8436, 8473, 8702, 9160, 10545, 13053, 13740, 14060, 16872, 16946, 17404, 21090, 21755, 25419, 26106, 27480, 28120, 33892, 34808, 42180, 42365, 43510, 50838, 52212, 65265, 67784, 84360, 84730, 87020, 101676, 104424, 127095, 130530, 160987, 169460, 174040, 203352, 254190, 261060, 321974, 338920, 482961, 508380, 522120, 643948, 804935, 965922, 1016760, 1287896, 1609870, 1931844, 2414805, 3219740, 3863688, 4829610, 6439480, 9659220, 19318440]

約数ペア:

[(1, 19318440), (2, 9659220), (3, 6439480), (4, 4829610), (5, 3863688), (6, 3219740), (8, 2414805), (10, 1931844), (12, 1609870), (15, 1287896), (19, 1016760), (20, 965922), (24, 804935), (30, 643948), (37, 522120), (38, 508380), (40, 482961), (57, 338920), (60, 321974), (74, 261060), (76, 254190), (95, 203352), (111, 174040), (114, 169460), (120, 160987), (148, 130530), (152, 127095), (185, 104424), (190, 101676), (222, 87020), (228, 84730), (229, 84360), (285, 67784), (296, 65265), (370, 52212), (380, 50838), (444, 43510), (456, 42365), (458, 42180), (555, 34808), (570, 33892), (687, 28120), (703, 27480), (740, 26106), (760, 25419), (888, 21755), (916, 21090), (1110, 17404), (1140, 16946), (1145, 16872), (1374, 14060), (1406, 13740), (1480, 13053), (1832, 10545), (2109, 9160), (2220, 8702), (2280, 8473), (2290, 8436), (2748, 7030), (2812, 6870), (3435, 5624), (3515, 5496), (4218, 4580), (4351, 4440)]