17956720

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1163}}^1$

素因数の和:1369

約数の個数: 40

約数和(自身を含む): 42001776

約数和(自身を除く): 24045056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1163, 1544, 1930, 2326, 3088, 3860, 4652, 5815, 7720, 9304, 11630, 15440, 18608, 23260, 46520, 93040, 224459, 448918, 897836, 1122295, 1795672, 2244590, 3591344, 4489180, 8978360, 17956720]

約数ペア:

[(1, 17956720), (2, 8978360), (4, 4489180), (5, 3591344), (8, 2244590), (10, 1795672), (16, 1122295), (20, 897836), (40, 448918), (80, 224459), (193, 93040), (386, 46520), (772, 23260), (965, 18608), (1163, 15440), (1544, 11630), (1930, 9304), (2326, 7720), (3088, 5815), (3860, 4652)]