19101836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 19000564

約数列:

[1, 2, 4, 13, 26, 29, 52, 53, 58, 106, 116, 212, 239, 377, 478, 689, 754, 956, 1378, 1508, 1537, 2756, 3074, 3107, 6148, 6214, 6931, 12428, 12667, 13862, 19981, 25334, 27724, 39962, 50668, 79924, 90103, 164671, 180206, 329342, 360412, 367343, 658684, 734686, 1469372, 4775459, 9550918, 19101836]

約数ペア:

[(1, 19101836), (2, 9550918), (4, 4775459), (13, 1469372), (26, 734686), (29, 658684), (52, 367343), (53, 360412), (58, 329342), (106, 180206), (116, 164671), (212, 90103), (239, 79924), (377, 50668), (478, 39962), (689, 27724), (754, 25334), (956, 19981), (1378, 13862), (1508, 12667), (1537, 12428), (2756, 6931), (3074, 6214), (3107, 6148)]