18602804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 37497600

約数和(自身を除く): 18894796

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 61, 116, 122, 239, 244, 319, 478, 638, 671, 956, 1276, 1342, 1769, 2629, 2684, 3538, 5258, 6931, 7076, 10516, 13862, 14579, 19459, 27724, 29158, 38918, 58316, 76241, 77836, 152482, 160369, 304964, 320738, 422791, 641476, 845582, 1691164, 4650701, 9301402, 18602804]

約数ペア:

[(1, 18602804), (2, 9301402), (4, 4650701), (11, 1691164), (22, 845582), (29, 641476), (44, 422791), (58, 320738), (61, 304964), (116, 160369), (122, 152482), (239, 77836), (244, 76241), (319, 58316), (478, 38918), (638, 29158), (671, 27724), (956, 19459), (1276, 14579), (1342, 13862), (1769, 10516), (2629, 7076), (2684, 6931), (3538, 5258)]