18185204

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 35750400

約数和(自身を除く): 17565196

約数列:

[1, 2, 4, 19, 29, 37, 38, 58, 74, 76, 116, 148, 223, 446, 551, 703, 892, 1073, 1102, 1406, 2146, 2204, 2812, 4237, 4292, 6467, 8251, 8474, 12934, 16502, 16948, 20387, 25868, 33004, 40774, 81548, 122873, 156769, 239279, 245746, 313538, 478558, 491492, 627076, 957116, 4546301, 9092602, 18185204]

約数ペア:

[(1, 18185204), (2, 9092602), (4, 4546301), (19, 957116), (29, 627076), (37, 491492), (38, 478558), (58, 313538), (74, 245746), (76, 239279), (116, 156769), (148, 122873), (223, 81548), (446, 40774), (551, 33004), (703, 25868), (892, 20387), (1073, 16948), (1102, 16502), (1406, 12934), (2146, 8474), (2204, 8251), (2812, 6467), (4237, 4292)]