18260368

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8581}}^1$

素因数の和:8615

約数の個数: 40

約数和(自身を含む): 42566720

約数和(自身を除く): 24306352

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 8581, 17162, 34324, 60067, 68648, 120134, 137296, 163039, 240268, 326078, 480536, 652156, 961072, 1141273, 1304312, 2282546, 2608624, 4565092, 9130184, 18260368]

約数ペア:

[(1, 18260368), (2, 9130184), (4, 4565092), (7, 2608624), (8, 2282546), (14, 1304312), (16, 1141273), (19, 961072), (28, 652156), (38, 480536), (56, 326078), (76, 240268), (112, 163039), (133, 137296), (152, 120134), (266, 68648), (304, 60067), (532, 34324), (1064, 17162), (2128, 8581)]