18714784

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{673}}^1$

素因数の和:773

約数の個数: 48

約数和(自身を含む): 40763520

約数和(自身を除く): 22048736

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 79, 88, 158, 176, 316, 352, 632, 673, 869, 1264, 1346, 1738, 2528, 2692, 3476, 5384, 6952, 7403, 10768, 13904, 14806, 21536, 27808, 29612, 53167, 59224, 106334, 118448, 212668, 236896, 425336, 584837, 850672, 1169674, 1701344, 2339348, 4678696, 9357392, 18714784]

約数ペア:

[(1, 18714784), (2, 9357392), (4, 4678696), (8, 2339348), (11, 1701344), (16, 1169674), (22, 850672), (32, 584837), (44, 425336), (79, 236896), (88, 212668), (158, 118448), (176, 106334), (316, 59224), (352, 53167), (632, 29612), (673, 27808), (869, 21536), (1264, 14806), (1346, 13904), (1738, 10768), (2528, 7403), (2692, 6952), (3476, 5384)]