18862720

素因数分解:

$2^7\times 5^1\times {\mathrm{29473}}^1$

素因数の和:29492

約数の個数: 32

約数和(自身を含む): 45095220

約数和(自身を除く): 26232500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 29473, 58946, 117892, 147365, 235784, 294730, 471568, 589460, 943136, 1178920, 1886272, 2357840, 3772544, 4715680, 9431360, 18862720]

約数ペア:

[(1, 18862720), (2, 9431360), (4, 4715680), (5, 3772544), (8, 2357840), (10, 1886272), (16, 1178920), (20, 943136), (32, 589460), (40, 471568), (64, 294730), (80, 235784), (128, 147365), (160, 117892), (320, 58946), (640, 29473)]