18223888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{397}}^1$

素因数の和:575

約数の個数: 40

約数和(自身を含む): 37507520

約数和(自身を除く): 19283632

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 151, 152, 302, 304, 397, 604, 794, 1208, 1588, 2416, 2869, 3176, 5738, 6352, 7543, 11476, 15086, 22952, 30172, 45904, 59947, 60344, 119894, 120688, 239788, 479576, 959152, 1138993, 2277986, 4555972, 9111944, 18223888]

約数ペア:

[(1, 18223888), (2, 9111944), (4, 4555972), (8, 2277986), (16, 1138993), (19, 959152), (38, 479576), (76, 239788), (151, 120688), (152, 119894), (302, 60344), (304, 59947), (397, 45904), (604, 30172), (794, 22952), (1208, 15086), (1588, 11476), (2416, 7543), (2869, 6352), (3176, 5738)]