19225920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{2861}}^1$

素因数の和:2888

約数の個数: 112

約数和(自身を含む): 69787008

約数和(自身を除く): 50561088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 2861, 3360, 5722, 6720, 8583, 11444, 14305, 17166, 20027, 22888, 28610, 34332, 40054, 42915, 45776, 57220, 60081, 68664, 80108, 85830, 91552, 100135, 114440, 120162, 137328, 160216, 171660, 183104, 200270, 228880, 240324, 274656, 300405, 320432, 343320, 400540, 457760, 480648, 549312, 600810, 640864, 686640, 801080, 915520, 961296, 1201620, 1281728, 1373280, 1602160, 1922592, 2403240, 2746560, 3204320, 3845184, 4806480, 6408640, 9612960, 19225920]

約数ペア:

[(1, 19225920), (2, 9612960), (3, 6408640), (4, 4806480), (5, 3845184), (6, 3204320), (7, 2746560), (8, 2403240), (10, 1922592), (12, 1602160), (14, 1373280), (15, 1281728), (16, 1201620), (20, 961296), (21, 915520), (24, 801080), (28, 686640), (30, 640864), (32, 600810), (35, 549312), (40, 480648), (42, 457760), (48, 400540), (56, 343320), (60, 320432), (64, 300405), (70, 274656), (80, 240324), (84, 228880), (96, 200270), (105, 183104), (112, 171660), (120, 160216), (140, 137328), (160, 120162), (168, 114440), (192, 100135), (210, 91552), (224, 85830), (240, 80108), (280, 68664), (320, 60081), (336, 57220), (420, 45776), (448, 42915), (480, 40054), (560, 34332), (672, 28610), (840, 22888), (960, 20027), (1120, 17166), (1344, 14305), (1680, 11444), (2240, 8583), (2861, 6720), (3360, 5722)]