19328456

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 44582400

約数和(自身を除く): 25253944

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 79, 119, 136, 158, 238, 257, 316, 476, 514, 553, 632, 952, 1028, 1106, 1343, 1799, 2056, 2212, 2686, 3598, 4369, 4424, 5372, 7196, 8738, 9401, 10744, 14392, 17476, 18802, 20303, 30583, 34952, 37604, 40606, 61166, 75208, 81212, 122332, 142121, 162424, 244664, 284242, 345151, 568484, 690302, 1136968, 1380604, 2416057, 2761208, 4832114, 9664228, 19328456]

約数ペア:

[(1, 19328456), (2, 9664228), (4, 4832114), (7, 2761208), (8, 2416057), (14, 1380604), (17, 1136968), (28, 690302), (34, 568484), (56, 345151), (68, 284242), (79, 244664), (119, 162424), (136, 142121), (158, 122332), (238, 81212), (257, 75208), (316, 61166), (476, 40606), (514, 37604), (553, 34952), (632, 30583), (952, 20303), (1028, 18802), (1106, 17476), (1343, 14392), (1799, 10744), (2056, 9401), (2212, 8738), (2686, 7196), (3598, 5372), (4369, 4424)]