18874216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1013}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 37781640

約数和(自身を除く): 18907424

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137, 274, 548, 1013, 1096, 2026, 2329, 4052, 4658, 8104, 9316, 17221, 18632, 34442, 68884, 137768, 138781, 277562, 555124, 1110248, 2359277, 4718554, 9437108, 18874216]

約数ペア:

[(1, 18874216), (2, 9437108), (4, 4718554), (8, 2359277), (17, 1110248), (34, 555124), (68, 277562), (136, 138781), (137, 137768), (274, 68884), (548, 34442), (1013, 18632), (1096, 17221), (2026, 9316), (2329, 8104), (4052, 4658)]