19029900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{229}}^1\times {\mathrm{277}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 55499920

約数和(自身を除く): 36470020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 229, 277, 300, 458, 554, 687, 831, 916, 1108, 1145, 1374, 1385, 1662, 2290, 2748, 2770, 3324, 3435, 4155, 4580, 5540, 5725, 6870, 6925, 8310, 11450, 13740, 13850, 16620, 17175, 20775, 22900, 27700, 34350, 41550, 63433, 68700, 83100, 126866, 190299, 253732, 317165, 380598, 634330, 761196, 951495, 1268660, 1585825, 1902990, 3171650, 3805980, 4757475, 6343300, 9514950, 19029900]

約数ペア:

[(1, 19029900), (2, 9514950), (3, 6343300), (4, 4757475), (5, 3805980), (6, 3171650), (10, 1902990), (12, 1585825), (15, 1268660), (20, 951495), (25, 761196), (30, 634330), (50, 380598), (60, 317165), (75, 253732), (100, 190299), (150, 126866), (229, 83100), (277, 68700), (300, 63433), (458, 41550), (554, 34350), (687, 27700), (831, 22900), (916, 20775), (1108, 17175), (1145, 16620), (1374, 13850), (1385, 13740), (1662, 11450), (2290, 8310), (2748, 6925), (2770, 6870), (3324, 5725), (3435, 5540), (4155, 4580)]