19916907888

素因数分解:

$2^4\times 3^1\times {\mathrm{414935581}}^1$

素因数の和:414935592

約数の個数: 20

約数和(自身を含む): 51452012168

約数和(自身を除く): 31535104280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 414935581, 829871162, 1244806743, 1659742324, 2489613486, 3319484648, 4979226972, 6638969296, 9958453944, 19916907888]

約数ペア:

[(1, 19916907888), (2, 9958453944), (3, 6638969296), (4, 4979226972), (6, 3319484648), (8, 2489613486), (12, 1659742324), (16, 1244806743), (24, 829871162), (48, 414935581)]