18808192

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 41126400

約数和(自身を除く): 22318208

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 89, 104, 127, 128, 178, 208, 254, 356, 416, 508, 712, 832, 1016, 1157, 1424, 1651, 1664, 2032, 2314, 2848, 3302, 4064, 4628, 5696, 6604, 8128, 9256, 11303, 11392, 13208, 16256, 18512, 22606, 26416, 37024, 45212, 52832, 74048, 90424, 105664, 146939, 148096, 180848, 211328, 293878, 361696, 587756, 723392, 1175512, 1446784, 2351024, 4702048, 9404096, 18808192]

約数ペア:

[(1, 18808192), (2, 9404096), (4, 4702048), (8, 2351024), (13, 1446784), (16, 1175512), (26, 723392), (32, 587756), (52, 361696), (64, 293878), (89, 211328), (104, 180848), (127, 148096), (128, 146939), (178, 105664), (208, 90424), (254, 74048), (356, 52832), (416, 45212), (508, 37024), (712, 26416), (832, 22606), (1016, 18512), (1157, 16256), (1424, 13208), (1651, 11392), (1664, 11303), (2032, 9256), (2314, 8128), (2848, 6604), (3302, 5696), (4064, 4628)]