18345964

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3877}}^1$

素因数の和:3914

約数の個数: 36

約数和(自身を含む): 39741744

約数和(自身を除く): 21395780

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 3877, 4732, 7754, 15508, 27139, 50401, 54278, 100802, 108556, 201604, 352807, 655213, 705614, 1310426, 1411228, 2620852, 4586491, 9172982, 18345964]

約数ペア:

[(1, 18345964), (2, 9172982), (4, 4586491), (7, 2620852), (13, 1411228), (14, 1310426), (26, 705614), (28, 655213), (52, 352807), (91, 201604), (169, 108556), (182, 100802), (338, 54278), (364, 50401), (676, 27139), (1183, 15508), (2366, 7754), (3877, 4732)]