19368320

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 47258640

約数和(自身を除く): 27890320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 265, 320, 424, 530, 571, 640, 848, 1060, 1142, 1696, 2120, 2284, 2855, 3392, 4240, 4568, 5710, 6784, 8480, 9136, 11420, 16960, 18272, 22840, 30263, 33920, 36544, 45680, 60526, 73088, 91360, 121052, 151315, 182720, 242104, 302630, 365440, 484208, 605260, 968416, 1210520, 1936832, 2421040, 3873664, 4842080, 9684160, 19368320]

約数ペア:

[(1, 19368320), (2, 9684160), (4, 4842080), (5, 3873664), (8, 2421040), (10, 1936832), (16, 1210520), (20, 968416), (32, 605260), (40, 484208), (53, 365440), (64, 302630), (80, 242104), (106, 182720), (128, 151315), (160, 121052), (212, 91360), (265, 73088), (320, 60526), (424, 45680), (530, 36544), (571, 33920), (640, 30263), (848, 22840), (1060, 18272), (1142, 16960), (1696, 11420), (2120, 9136), (2284, 8480), (2855, 6784), (3392, 5710), (4240, 4568)]