19825440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{401}}^1$

素因数の和:522

約数の個数: 96

約数和(自身を含む): 63213696

約数和(自身を除く): 43388256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 103, 120, 160, 206, 240, 309, 401, 412, 480, 515, 618, 802, 824, 1030, 1203, 1236, 1545, 1604, 1648, 2005, 2060, 2406, 2472, 3090, 3208, 3296, 4010, 4120, 4812, 4944, 6015, 6180, 6416, 8020, 8240, 9624, 9888, 12030, 12360, 12832, 16040, 16480, 19248, 24060, 24720, 32080, 38496, 41303, 48120, 49440, 64160, 82606, 96240, 123909, 165212, 192480, 206515, 247818, 330424, 413030, 495636, 619545, 660848, 826060, 991272, 1239090, 1321696, 1652120, 1982544, 2478180, 3304240, 3965088, 4956360, 6608480, 9912720, 19825440]

約数ペア:

[(1, 19825440), (2, 9912720), (3, 6608480), (4, 4956360), (5, 3965088), (6, 3304240), (8, 2478180), (10, 1982544), (12, 1652120), (15, 1321696), (16, 1239090), (20, 991272), (24, 826060), (30, 660848), (32, 619545), (40, 495636), (48, 413030), (60, 330424), (80, 247818), (96, 206515), (103, 192480), (120, 165212), (160, 123909), (206, 96240), (240, 82606), (309, 64160), (401, 49440), (412, 48120), (480, 41303), (515, 38496), (618, 32080), (802, 24720), (824, 24060), (1030, 19248), (1203, 16480), (1236, 16040), (1545, 12832), (1604, 12360), (1648, 12030), (2005, 9888), (2060, 9624), (2406, 8240), (2472, 8020), (3090, 6416), (3208, 6180), (3296, 6015), (4010, 4944), (4120, 4812)]