18784892

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 38949120

約数和(自身を除く): 20164228

約数列:

[1, 2, 4, 7, 14, 28, 59, 83, 118, 137, 166, 236, 274, 332, 413, 548, 581, 826, 959, 1162, 1652, 1918, 2324, 3836, 4897, 8083, 9794, 11371, 16166, 19588, 22742, 32332, 34279, 45484, 56581, 68558, 79597, 113162, 137116, 159194, 226324, 318388, 670889, 1341778, 2683556, 4696223, 9392446, 18784892]

約数ペア:

[(1, 18784892), (2, 9392446), (4, 4696223), (7, 2683556), (14, 1341778), (28, 670889), (59, 318388), (83, 226324), (118, 159194), (137, 137116), (166, 113162), (236, 79597), (274, 68558), (332, 56581), (413, 45484), (548, 34279), (581, 32332), (826, 22742), (959, 19588), (1162, 16166), (1652, 11371), (1918, 9794), (2324, 8083), (3836, 4897)]