18497920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4129}}^1$

素因数の和:4155

約数の個数: 64

約数和(自身を含む): 50551200

約数和(自身を除く): 32053280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4129, 4480, 8258, 16516, 20645, 28903, 33032, 41290, 57806, 66064, 82580, 115612, 132128, 144515, 165160, 231224, 264256, 289030, 330320, 462448, 528512, 578060, 660640, 924896, 1156120, 1321280, 1849792, 2312240, 2642560, 3699584, 4624480, 9248960, 18497920]

約数ペア:

[(1, 18497920), (2, 9248960), (4, 4624480), (5, 3699584), (7, 2642560), (8, 2312240), (10, 1849792), (14, 1321280), (16, 1156120), (20, 924896), (28, 660640), (32, 578060), (35, 528512), (40, 462448), (56, 330320), (64, 289030), (70, 264256), (80, 231224), (112, 165160), (128, 144515), (140, 132128), (160, 115612), (224, 82580), (280, 66064), (320, 57806), (448, 41290), (560, 33032), (640, 28903), (896, 20645), (1120, 16516), (2240, 8258), (4129, 4480)]