19011616

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2033

約数の個数: 48

約数和(自身を含む): 42081984

約数和(自身を除く): 23070368

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 92, 104, 184, 208, 299, 368, 416, 598, 736, 1196, 1987, 2392, 3974, 4784, 7948, 9568, 15896, 25831, 31792, 45701, 51662, 63584, 91402, 103324, 182804, 206648, 365608, 413296, 594113, 731216, 826592, 1188226, 1462432, 2376452, 4752904, 9505808, 19011616]

約数ペア:

[(1, 19011616), (2, 9505808), (4, 4752904), (8, 2376452), (13, 1462432), (16, 1188226), (23, 826592), (26, 731216), (32, 594113), (46, 413296), (52, 365608), (92, 206648), (104, 182804), (184, 103324), (208, 91402), (299, 63584), (368, 51662), (416, 45701), (598, 31792), (736, 25831), (1196, 15896), (1987, 9568), (2392, 7948), (3974, 4784)]