19759860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{727}}^1$

素因数の和:893

約数の個数: 72

約数和(自身を含む): 60418176

約数和(自身を除く): 40658316

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 151, 180, 302, 453, 604, 727, 755, 906, 1359, 1454, 1510, 1812, 2181, 2265, 2718, 2908, 3020, 3635, 4362, 4530, 5436, 6543, 6795, 7270, 8724, 9060, 10905, 13086, 13590, 14540, 21810, 26172, 27180, 32715, 43620, 65430, 109777, 130860, 219554, 329331, 439108, 548885, 658662, 987993, 1097770, 1317324, 1646655, 1975986, 2195540, 3293310, 3951972, 4939965, 6586620, 9879930, 19759860]

約数ペア:

[(1, 19759860), (2, 9879930), (3, 6586620), (4, 4939965), (5, 3951972), (6, 3293310), (9, 2195540), (10, 1975986), (12, 1646655), (15, 1317324), (18, 1097770), (20, 987993), (30, 658662), (36, 548885), (45, 439108), (60, 329331), (90, 219554), (151, 130860), (180, 109777), (302, 65430), (453, 43620), (604, 32715), (727, 27180), (755, 26172), (906, 21810), (1359, 14540), (1454, 13590), (1510, 13086), (1812, 10905), (2181, 9060), (2265, 8724), (2718, 7270), (2908, 6795), (3020, 6543), (3635, 5436), (4362, 4530)]