19444480

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1381}}^1$

素因数の和:1413

約数の個数: 72

約数和(自身を含む): 50846544

約数和(自身を除く): 31402064

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1381, 1408, 1760, 2762, 2816, 3520, 5524, 6905, 7040, 11048, 13810, 14080, 15191, 22096, 27620, 30382, 44192, 55240, 60764, 75955, 88384, 110480, 121528, 151910, 176768, 220960, 243056, 303820, 353536, 441920, 486112, 607640, 883840, 972224, 1215280, 1767680, 1944448, 2430560, 3888896, 4861120, 9722240, 19444480]

約数ペア:

[(1, 19444480), (2, 9722240), (4, 4861120), (5, 3888896), (8, 2430560), (10, 1944448), (11, 1767680), (16, 1215280), (20, 972224), (22, 883840), (32, 607640), (40, 486112), (44, 441920), (55, 353536), (64, 303820), (80, 243056), (88, 220960), (110, 176768), (128, 151910), (160, 121528), (176, 110480), (220, 88384), (256, 75955), (320, 60764), (352, 55240), (440, 44192), (640, 30382), (704, 27620), (880, 22096), (1280, 15191), (1381, 14080), (1408, 13810), (1760, 11048), (2762, 7040), (2816, 6905), (3520, 5524)]