18449920

素因数分解:

$2^9\times 5^1\times {\mathrm{7207}}^1$

素因数の和:7230

約数の個数: 40

約数和(自身を含む): 44242704

約数和(自身を除く): 25792784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 7207, 14414, 28828, 36035, 57656, 72070, 115312, 144140, 230624, 288280, 461248, 576560, 922496, 1153120, 1844992, 2306240, 3689984, 4612480, 9224960, 18449920]

約数ペア:

[(1, 18449920), (2, 9224960), (4, 4612480), (5, 3689984), (8, 2306240), (10, 1844992), (16, 1153120), (20, 922496), (32, 576560), (40, 461248), (64, 288280), (80, 230624), (128, 144140), (160, 115312), (256, 72070), (320, 57656), (512, 36035), (640, 28828), (1280, 14414), (2560, 7207)]