19179520

素因数分解:

$2^{11}\times 5^1\times {\mathrm{1873}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 46044180

約数和(自身を除く): 26864660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1873, 2048, 2560, 3746, 5120, 7492, 9365, 10240, 14984, 18730, 29968, 37460, 59936, 74920, 119872, 149840, 239744, 299680, 479488, 599360, 958976, 1198720, 1917952, 2397440, 3835904, 4794880, 9589760, 19179520]

約数ペア:

[(1, 19179520), (2, 9589760), (4, 4794880), (5, 3835904), (8, 2397440), (10, 1917952), (16, 1198720), (20, 958976), (32, 599360), (40, 479488), (64, 299680), (80, 239744), (128, 149840), (160, 119872), (256, 74920), (320, 59936), (512, 37460), (640, 29968), (1024, 18730), (1280, 14984), (1873, 10240), (2048, 9365), (2560, 7492), (3746, 5120)]