17974748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 36018528

約数和(自身を除く): 18043780

約数列:

[1, 2, 4, 11, 22, 37, 44, 61, 74, 122, 148, 181, 244, 362, 407, 671, 724, 814, 1342, 1628, 1991, 2257, 2684, 3982, 4514, 6697, 7964, 9028, 11041, 13394, 22082, 24827, 26788, 44164, 49654, 73667, 99308, 121451, 147334, 242902, 294668, 408517, 485804, 817034, 1634068, 4493687, 8987374, 17974748]

約数ペア:

[(1, 17974748), (2, 8987374), (4, 4493687), (11, 1634068), (22, 817034), (37, 485804), (44, 408517), (61, 294668), (74, 242902), (122, 147334), (148, 121451), (181, 99308), (244, 73667), (362, 49654), (407, 44164), (671, 26788), (724, 24827), (814, 22082), (1342, 13394), (1628, 11041), (1991, 9028), (2257, 7964), (2684, 6697), (3982, 4514)]