19751792

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1511}}^1$

素因数の和:1581

約数の個数: 40

約数和(自身を含む): 41247360

約数和(自身を除く): 21495568

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1511, 1634, 3022, 3268, 6044, 6536, 12088, 13072, 24176, 28709, 57418, 64973, 114836, 129946, 229672, 259892, 459344, 519784, 1039568, 1234487, 2468974, 4937948, 9875896, 19751792]

約数ペア:

[(1, 19751792), (2, 9875896), (4, 4937948), (8, 2468974), (16, 1234487), (19, 1039568), (38, 519784), (43, 459344), (76, 259892), (86, 229672), (152, 129946), (172, 114836), (304, 64973), (344, 57418), (688, 28709), (817, 24176), (1511, 13072), (1634, 12088), (3022, 6536), (3268, 6044)]