18627752

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{857}}^1$

素因数の和:906

約数の個数: 64

約数和(自身を含む): 43243200

約数和(自身を除く): 24615448

約数列:

[1, 2, 4, 8, 11, 13, 19, 22, 26, 38, 44, 52, 76, 88, 104, 143, 152, 209, 247, 286, 418, 494, 572, 836, 857, 988, 1144, 1672, 1714, 1976, 2717, 3428, 5434, 6856, 9427, 10868, 11141, 16283, 18854, 21736, 22282, 32566, 37708, 44564, 65132, 75416, 89128, 122551, 130264, 179113, 211679, 245102, 358226, 423358, 490204, 716452, 846716, 980408, 1432904, 1693432, 2328469, 4656938, 9313876, 18627752]

約数ペア:

[(1, 18627752), (2, 9313876), (4, 4656938), (8, 2328469), (11, 1693432), (13, 1432904), (19, 980408), (22, 846716), (26, 716452), (38, 490204), (44, 423358), (52, 358226), (76, 245102), (88, 211679), (104, 179113), (143, 130264), (152, 122551), (209, 89128), (247, 75416), (286, 65132), (418, 44564), (494, 37708), (572, 32566), (836, 22282), (857, 21736), (988, 18854), (1144, 16283), (1672, 11141), (1714, 10868), (1976, 9427), (2717, 6856), (3428, 5434)]