12128156

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:306

約数の個数: 36

約数和(自身を含む): 23106888

約数和(自身を除く): 10978732

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 227, 361, 454, 703, 722, 908, 1406, 1444, 2812, 4313, 8399, 8626, 13357, 16798, 17252, 26714, 33596, 53428, 81947, 159581, 163894, 319162, 327788, 638324, 3032039, 6064078, 12128156]

約数ペア:

[(1, 12128156), (2, 6064078), (4, 3032039), (19, 638324), (37, 327788), (38, 319162), (74, 163894), (76, 159581), (148, 81947), (227, 53428), (361, 33596), (454, 26714), (703, 17252), (722, 16798), (908, 13357), (1406, 8626), (1444, 8399), (2812, 4313)]