17968603952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{86387519}}^1$

素因数の和:86387540

約数の個数: 20

約数和(自身を含む): 37492183680

約数和(自身を除く): 19523579728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 86387519, 172775038, 345550076, 691100152, 1123037747, 1382200304, 2246075494, 4492150988, 8984301976, 17968603952]

約数ペア:

[(1, 17968603952), (2, 8984301976), (4, 4492150988), (8, 2246075494), (13, 1382200304), (16, 1123037747), (26, 691100152), (52, 345550076), (104, 172775038), (208, 86387519)]