19339520

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:571

約数の個数: 72

約数和(自身を含む): 48013560

約数和(自身を除く): 28674040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 521, 580, 640, 928, 1042, 1160, 1280, 1856, 2084, 2320, 2605, 3712, 4168, 4640, 5210, 7424, 8336, 9280, 10420, 15109, 16672, 18560, 20840, 30218, 33344, 37120, 41680, 60436, 66688, 75545, 83360, 120872, 133376, 151090, 166720, 241744, 302180, 333440, 483488, 604360, 666880, 966976, 1208720, 1933952, 2417440, 3867904, 4834880, 9669760, 19339520]

約数ペア:

[(1, 19339520), (2, 9669760), (4, 4834880), (5, 3867904), (8, 2417440), (10, 1933952), (16, 1208720), (20, 966976), (29, 666880), (32, 604360), (40, 483488), (58, 333440), (64, 302180), (80, 241744), (116, 166720), (128, 151090), (145, 133376), (160, 120872), (232, 83360), (256, 75545), (290, 66688), (320, 60436), (464, 41680), (521, 37120), (580, 33344), (640, 30218), (928, 20840), (1042, 18560), (1160, 16672), (1280, 15109), (1856, 10420), (2084, 9280), (2320, 8336), (2605, 7424), (3712, 5210), (4168, 4640)]