18429580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 42293664

約数和(自身を除く): 23864084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 73, 130, 146, 260, 292, 365, 730, 949, 971, 1460, 1898, 1942, 3796, 3884, 4745, 4855, 9490, 9710, 12623, 18980, 19420, 25246, 50492, 63115, 70883, 126230, 141766, 252460, 283532, 354415, 708830, 921479, 1417660, 1842958, 3685916, 4607395, 9214790, 18429580]

約数ペア:

[(1, 18429580), (2, 9214790), (4, 4607395), (5, 3685916), (10, 1842958), (13, 1417660), (20, 921479), (26, 708830), (52, 354415), (65, 283532), (73, 252460), (130, 141766), (146, 126230), (260, 70883), (292, 63115), (365, 50492), (730, 25246), (949, 19420), (971, 18980), (1460, 12623), (1898, 9710), (1942, 9490), (3796, 4855), (3884, 4745)]