19915332

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{1223}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 49351680

約数和(自身を除く): 29436348

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 59, 69, 92, 118, 138, 177, 236, 276, 354, 708, 1223, 1357, 2446, 2714, 3669, 4071, 4892, 5428, 7338, 8142, 14676, 16284, 28129, 56258, 72157, 84387, 112516, 144314, 168774, 216471, 288628, 337548, 432942, 865884, 1659611, 3319222, 4978833, 6638444, 9957666, 19915332]

約数ペア:

[(1, 19915332), (2, 9957666), (3, 6638444), (4, 4978833), (6, 3319222), (12, 1659611), (23, 865884), (46, 432942), (59, 337548), (69, 288628), (92, 216471), (118, 168774), (138, 144314), (177, 112516), (236, 84387), (276, 72157), (354, 56258), (708, 28129), (1223, 16284), (1357, 14676), (2446, 8142), (2714, 7338), (3669, 5428), (4071, 4892)]