18651464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9439}}^1$

素因数の和:9477

約数の個数: 32

約数和(自身を含む): 39648000

約数和(自身を除く): 20996536

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 9439, 18878, 37756, 75512, 122707, 179341, 245414, 358682, 490828, 717364, 981656, 1434728, 2331433, 4662866, 9325732, 18651464]

約数ペア:

[(1, 18651464), (2, 9325732), (4, 4662866), (8, 2331433), (13, 1434728), (19, 981656), (26, 717364), (38, 490828), (52, 358682), (76, 245414), (104, 179341), (152, 122707), (247, 75512), (494, 37756), (988, 18878), (1976, 9439)]