19235728

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 39247488

約数和(自身を除く): 20011760

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 167, 184, 313, 334, 368, 626, 668, 1252, 1336, 2504, 2672, 3841, 5008, 7199, 7682, 14398, 15364, 28796, 30728, 52271, 57592, 61456, 104542, 115184, 209084, 418168, 836336, 1202233, 2404466, 4808932, 9617864, 19235728]

約数ペア:

[(1, 19235728), (2, 9617864), (4, 4808932), (8, 2404466), (16, 1202233), (23, 836336), (46, 418168), (92, 209084), (167, 115184), (184, 104542), (313, 61456), (334, 57592), (368, 52271), (626, 30728), (668, 28796), (1252, 15364), (1336, 14398), (2504, 7682), (2672, 7199), (3841, 5008)]