19835192

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{863}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 42690240

約数和(自身を除く): 22855048

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 338, 442, 676, 863, 884, 1352, 1726, 1768, 2873, 3452, 5746, 6904, 11219, 11492, 14671, 22438, 22984, 29342, 44876, 58684, 89752, 117368, 145847, 190723, 291694, 381446, 583388, 762892, 1166776, 1525784, 2479399, 4958798, 9917596, 19835192]

約数ペア:

[(1, 19835192), (2, 9917596), (4, 4958798), (8, 2479399), (13, 1525784), (17, 1166776), (26, 762892), (34, 583388), (52, 381446), (68, 291694), (104, 190723), (136, 145847), (169, 117368), (221, 89752), (338, 58684), (442, 44876), (676, 29342), (863, 22984), (884, 22438), (1352, 14671), (1726, 11492), (1768, 11219), (2873, 6904), (3452, 5746)]