18669104

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:389

約数の個数: 40

約数和(自身を含む): 37497600

約数和(自身を除く): 18828496

約数列:

[1, 2, 4, 8, 16, 41, 82, 149, 164, 191, 298, 328, 382, 596, 656, 764, 1192, 1528, 2384, 3056, 6109, 7831, 12218, 15662, 24436, 28459, 31324, 48872, 56918, 62648, 97744, 113836, 125296, 227672, 455344, 1166819, 2333638, 4667276, 9334552, 18669104]

約数ペア:

[(1, 18669104), (2, 9334552), (4, 4667276), (8, 2333638), (16, 1166819), (41, 455344), (82, 227672), (149, 125296), (164, 113836), (191, 97744), (298, 62648), (328, 56918), (382, 48872), (596, 31324), (656, 28459), (764, 24436), (1192, 15662), (1528, 12218), (2384, 7831), (3056, 6109)]