18532228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 38525760

約数和(自身を除く): 19993532

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 179, 181, 286, 358, 362, 572, 716, 724, 1969, 1991, 2327, 2353, 3938, 3982, 4654, 4706, 7876, 7964, 9308, 9412, 25597, 25883, 32399, 51194, 51766, 64798, 102388, 103532, 129596, 356389, 421187, 712778, 842374, 1425556, 1684748, 4633057, 9266114, 18532228]

約数ペア:

[(1, 18532228), (2, 9266114), (4, 4633057), (11, 1684748), (13, 1425556), (22, 842374), (26, 712778), (44, 421187), (52, 356389), (143, 129596), (179, 103532), (181, 102388), (286, 64798), (358, 51766), (362, 51194), (572, 32399), (716, 25883), (724, 25597), (1969, 9412), (1991, 9308), (2327, 7964), (2353, 7876), (3938, 4706), (3982, 4654)]