19151360

素因数分解:

$2^9\times 5^1\times {\mathrm{7481}}^1$

素因数の和:7504

約数の個数: 40

約数和(自身を含む): 45924516

約数和(自身を除く): 26773156

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7481, 14962, 29924, 37405, 59848, 74810, 119696, 149620, 239392, 299240, 478784, 598480, 957568, 1196960, 1915136, 2393920, 3830272, 4787840, 9575680, 19151360]

約数ペア:

[(1, 19151360), (2, 9575680), (4, 4787840), (5, 3830272), (8, 2393920), (10, 1915136), (16, 1196960), (20, 957568), (32, 598480), (40, 478784), (64, 299240), (80, 239392), (128, 149620), (160, 119696), (256, 74810), (320, 59848), (512, 37405), (640, 29924), (1280, 14962), (2560, 7481)]