19025920

素因数分解:

$2^{12}\times 5^1\times {\mathrm{929}}^1$

素因数の和:958

約数の個数: 52

約数和(自身を含む): 45705780

約数和(自身を除く): 26679860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 929, 1024, 1280, 1858, 2048, 2560, 3716, 4096, 4645, 5120, 7432, 9290, 10240, 14864, 18580, 20480, 29728, 37160, 59456, 74320, 118912, 148640, 237824, 297280, 475648, 594560, 951296, 1189120, 1902592, 2378240, 3805184, 4756480, 9512960, 19025920]

約数ペア:

[(1, 19025920), (2, 9512960), (4, 4756480), (5, 3805184), (8, 2378240), (10, 1902592), (16, 1189120), (20, 951296), (32, 594560), (40, 475648), (64, 297280), (80, 237824), (128, 148640), (160, 118912), (256, 74320), (320, 59456), (512, 37160), (640, 29728), (929, 20480), (1024, 18580), (1280, 14864), (1858, 10240), (2048, 9290), (2560, 7432), (3716, 5120), (4096, 4645)]