19308080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:654

約数の個数: 80

約数和(自身を含む): 50380704

約数和(自身を除く): 31072624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 593, 740, 814, 880, 1186, 1480, 1628, 2035, 2372, 2960, 2965, 3256, 4070, 4744, 5930, 6512, 6523, 8140, 9488, 11860, 13046, 16280, 21941, 23720, 26092, 32560, 32615, 43882, 47440, 52184, 65230, 87764, 104368, 109705, 130460, 175528, 219410, 241351, 260920, 351056, 438820, 482702, 521840, 877640, 965404, 1206755, 1755280, 1930808, 2413510, 3861616, 4827020, 9654040, 19308080]

約数ペア:

[(1, 19308080), (2, 9654040), (4, 4827020), (5, 3861616), (8, 2413510), (10, 1930808), (11, 1755280), (16, 1206755), (20, 965404), (22, 877640), (37, 521840), (40, 482702), (44, 438820), (55, 351056), (74, 260920), (80, 241351), (88, 219410), (110, 175528), (148, 130460), (176, 109705), (185, 104368), (220, 87764), (296, 65230), (370, 52184), (407, 47440), (440, 43882), (592, 32615), (593, 32560), (740, 26092), (814, 23720), (880, 21941), (1186, 16280), (1480, 13046), (1628, 11860), (2035, 9488), (2372, 8140), (2960, 6523), (2965, 6512), (3256, 5930), (4070, 4744)]