19757816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6551}}^1$

素因数の和:6599

約数の個数: 32

約数和(自身を含む): 41277600

約数和(自身を除く): 21519784

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 6551, 13102, 26204, 52408, 85163, 170326, 189979, 340652, 379958, 681304, 759916, 1519832, 2469727, 4939454, 9878908, 19757816]

約数ペア:

[(1, 19757816), (2, 9878908), (4, 4939454), (8, 2469727), (13, 1519832), (26, 759916), (29, 681304), (52, 379958), (58, 340652), (104, 189979), (116, 170326), (232, 85163), (377, 52408), (754, 26204), (1508, 13102), (3016, 6551)]