18901479842

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1\times {\mathrm{29803}}^1$

素因数の和:30410

約数の個数: 32

約数和(自身を含む): 32832086400

約数和(自身を除く): 13930606558

約数列:

[1, 2, 7, 14, 89, 178, 509, 623, 1018, 1246, 3563, 7126, 29803, 45301, 59606, 90602, 208621, 317107, 417242, 634214, 2652467, 5304934, 15169727, 18567269, 30339454, 37134538, 106188089, 212376178, 1350105703, 2700211406, 9450739921, 18901479842]

約数ペア:

[(1, 18901479842), (2, 9450739921), (7, 2700211406), (14, 1350105703), (89, 212376178), (178, 106188089), (509, 37134538), (623, 30339454), (1018, 18567269), (1246, 15169727), (3563, 5304934), (7126, 2652467), (29803, 634214), (45301, 417242), (59606, 317107), (90602, 208621)]