17963504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1289}}^1$

素因数の和:1377

約数の個数: 40

約数和(自身を含む): 38070480

約数和(自身を除く): 20106976

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1289, 1742, 2578, 3484, 5156, 6968, 10312, 13936, 16757, 20624, 33514, 67028, 86363, 134056, 172726, 268112, 345452, 690904, 1122719, 1381808, 2245438, 4490876, 8981752, 17963504]

約数ペア:

[(1, 17963504), (2, 8981752), (4, 4490876), (8, 2245438), (13, 1381808), (16, 1122719), (26, 690904), (52, 345452), (67, 268112), (104, 172726), (134, 134056), (208, 86363), (268, 67028), (536, 33514), (871, 20624), (1072, 16757), (1289, 13936), (1742, 10312), (2578, 6968), (3484, 5156)]