19052800

素因数分解:

$2^8\times 5^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1$

素因数の和:268

約数の個数: 108

約数和(自身を含む): 51008020

約数和(自身を除く): 31955220

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 229, 256, 260, 320, 325, 400, 416, 458, 520, 640, 650, 800, 832, 916, 1040, 1145, 1280, 1300, 1600, 1664, 1832, 2080, 2290, 2600, 2977, 3200, 3328, 3664, 4160, 4580, 5200, 5725, 5954, 6400, 7328, 8320, 9160, 10400, 11450, 11908, 14656, 14885, 16640, 18320, 20800, 22900, 23816, 29312, 29770, 36640, 41600, 45800, 47632, 58624, 59540, 73280, 74425, 83200, 91600, 95264, 119080, 146560, 148850, 183200, 190528, 238160, 293120, 297700, 366400, 381056, 476320, 595400, 732800, 762112, 952640, 1190800, 1465600, 1905280, 2381600, 3810560, 4763200, 9526400, 19052800]

約数ペア:

[(1, 19052800), (2, 9526400), (4, 4763200), (5, 3810560), (8, 2381600), (10, 1905280), (13, 1465600), (16, 1190800), (20, 952640), (25, 762112), (26, 732800), (32, 595400), (40, 476320), (50, 381056), (52, 366400), (64, 297700), (65, 293120), (80, 238160), (100, 190528), (104, 183200), (128, 148850), (130, 146560), (160, 119080), (200, 95264), (208, 91600), (229, 83200), (256, 74425), (260, 73280), (320, 59540), (325, 58624), (400, 47632), (416, 45800), (458, 41600), (520, 36640), (640, 29770), (650, 29312), (800, 23816), (832, 22900), (916, 20800), (1040, 18320), (1145, 16640), (1280, 14885), (1300, 14656), (1600, 11908), (1664, 11450), (1832, 10400), (2080, 9160), (2290, 8320), (2600, 7328), (2977, 6400), (3200, 5954), (3328, 5725), (3664, 5200), (4160, 4580)]