19722480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2221}}^1$

素因数の和:2274

約数の個数: 80

約数和(自身を含む): 62820384

約数和(自身を除く): 43097904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2221, 2960, 4440, 4442, 6663, 8880, 8884, 11105, 13326, 17768, 22210, 26652, 33315, 35536, 44420, 53304, 66630, 82177, 88840, 106608, 133260, 164354, 177680, 246531, 266520, 328708, 410885, 493062, 533040, 657416, 821770, 986124, 1232655, 1314832, 1643540, 1972248, 2465310, 3287080, 3944496, 4930620, 6574160, 9861240, 19722480]

約数ペア:

[(1, 19722480), (2, 9861240), (3, 6574160), (4, 4930620), (5, 3944496), (6, 3287080), (8, 2465310), (10, 1972248), (12, 1643540), (15, 1314832), (16, 1232655), (20, 986124), (24, 821770), (30, 657416), (37, 533040), (40, 493062), (48, 410885), (60, 328708), (74, 266520), (80, 246531), (111, 177680), (120, 164354), (148, 133260), (185, 106608), (222, 88840), (240, 82177), (296, 66630), (370, 53304), (444, 44420), (555, 35536), (592, 33315), (740, 26652), (888, 22210), (1110, 17768), (1480, 13326), (1776, 11105), (2220, 8884), (2221, 8880), (2960, 6663), (4440, 4442)]