19283840

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1039}}^1$

素因数の和:1087

約数の個数: 64

約数和(自身を含む): 47736000

約数和(自身を除く): 28452160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1039, 1160, 1856, 2078, 2320, 3712, 4156, 4640, 5195, 8312, 9280, 10390, 16624, 18560, 20780, 30131, 33248, 41560, 60262, 66496, 83120, 120524, 132992, 150655, 166240, 241048, 301310, 332480, 482096, 602620, 664960, 964192, 1205240, 1928384, 2410480, 3856768, 4820960, 9641920, 19283840]

約数ペア:

[(1, 19283840), (2, 9641920), (4, 4820960), (5, 3856768), (8, 2410480), (10, 1928384), (16, 1205240), (20, 964192), (29, 664960), (32, 602620), (40, 482096), (58, 332480), (64, 301310), (80, 241048), (116, 166240), (128, 150655), (145, 132992), (160, 120524), (232, 83120), (290, 66496), (320, 60262), (464, 41560), (580, 33248), (640, 30131), (928, 20780), (1039, 18560), (1160, 16624), (1856, 10390), (2078, 9280), (2320, 8312), (3712, 5195), (4156, 4640)]