18596896

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:521

約数の個数: 48

約数和(自身を含む): 39160800

約数和(自身を除く): 20563904

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 73, 76, 146, 152, 292, 304, 419, 584, 608, 838, 1168, 1387, 1676, 2336, 2774, 3352, 5548, 6704, 7961, 11096, 13408, 15922, 22192, 30587, 31844, 44384, 61174, 63688, 122348, 127376, 244696, 254752, 489392, 581153, 978784, 1162306, 2324612, 4649224, 9298448, 18596896]

約数ペア:

[(1, 18596896), (2, 9298448), (4, 4649224), (8, 2324612), (16, 1162306), (19, 978784), (32, 581153), (38, 489392), (73, 254752), (76, 244696), (146, 127376), (152, 122348), (292, 63688), (304, 61174), (419, 44384), (584, 31844), (608, 30587), (838, 22192), (1168, 15922), (1387, 13408), (1676, 11096), (2336, 7961), (2774, 6704), (3352, 5548)]