19201860

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{439}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 60614400

約数和(自身を除く): 41412540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 439, 486, 540, 729, 810, 878, 972, 1215, 1317, 1458, 1620, 1756, 2187, 2195, 2430, 2634, 2916, 3645, 3951, 4374, 4390, 4860, 5268, 6585, 7290, 7902, 8748, 8780, 10935, 11853, 13170, 14580, 15804, 19755, 21870, 23706, 26340, 35559, 39510, 43740, 47412, 59265, 71118, 79020, 106677, 118530, 142236, 177795, 213354, 237060, 320031, 355590, 426708, 533385, 640062, 711180, 960093, 1066770, 1280124, 1600155, 1920186, 2133540, 3200310, 3840372, 4800465, 6400620, 9600930, 19201860]

約数ペア:

[(1, 19201860), (2, 9600930), (3, 6400620), (4, 4800465), (5, 3840372), (6, 3200310), (9, 2133540), (10, 1920186), (12, 1600155), (15, 1280124), (18, 1066770), (20, 960093), (27, 711180), (30, 640062), (36, 533385), (45, 426708), (54, 355590), (60, 320031), (81, 237060), (90, 213354), (108, 177795), (135, 142236), (162, 118530), (180, 106677), (243, 79020), (270, 71118), (324, 59265), (405, 47412), (439, 43740), (486, 39510), (540, 35559), (729, 26340), (810, 23706), (878, 21870), (972, 19755), (1215, 15804), (1317, 14580), (1458, 13170), (1620, 11853), (1756, 10935), (2187, 8780), (2195, 8748), (2430, 7902), (2634, 7290), (2916, 6585), (3645, 5268), (3951, 4860), (4374, 4390)]