18556000208

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1427}}^1\times {\mathrm{47807}}^1$

素因数の和:49259

約数の個数: 40

約数和(自身を含む): 38094561792

約数和(自身を除く): 19538561584

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1427, 2854, 5708, 11416, 22832, 24259, 47807, 48518, 95614, 97036, 191228, 194072, 382456, 388144, 764912, 812719, 1625438, 3250876, 6501752, 13003504, 68220589, 136441178, 272882356, 545764712, 1091529424, 1159750013, 2319500026, 4639000052, 9278000104, 18556000208]

約数ペア:

[(1, 18556000208), (2, 9278000104), (4, 4639000052), (8, 2319500026), (16, 1159750013), (17, 1091529424), (34, 545764712), (68, 272882356), (136, 136441178), (272, 68220589), (1427, 13003504), (2854, 6501752), (5708, 3250876), (11416, 1625438), (22832, 812719), (24259, 764912), (47807, 388144), (48518, 382456), (95614, 194072), (97036, 191228)]