19426116640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2477821}}^1$

素因数の和:2477850

約数の個数: 72

約数和(自身を含む): 53387152812

約数和(自身を除く): 33961036172

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 2477821, 4955642, 9911284, 12389105, 17344747, 19822568, 24778210, 34689494, 39645136, 49556420, 69378988, 79290272, 86723735, 99112840, 121413229, 138757976, 173447470, 198225680, 242826458, 277515952, 346894940, 396451360, 485652916, 555031904, 607066145, 693789880, 971305832, 1214132290, 1387579760, 1942611664, 2428264580, 2775159520, 3885223328, 4856529160, 9713058320, 19426116640]

約数ペア:

[(1, 19426116640), (2, 9713058320), (4, 4856529160), (5, 3885223328), (7, 2775159520), (8, 2428264580), (10, 1942611664), (14, 1387579760), (16, 1214132290), (20, 971305832), (28, 693789880), (32, 607066145), (35, 555031904), (40, 485652916), (49, 396451360), (56, 346894940), (70, 277515952), (80, 242826458), (98, 198225680), (112, 173447470), (140, 138757976), (160, 121413229), (196, 99112840), (224, 86723735), (245, 79290272), (280, 69378988), (392, 49556420), (490, 39645136), (560, 34689494), (784, 24778210), (980, 19822568), (1120, 17344747), (1568, 12389105), (1960, 9911284), (3920, 4955642), (7840, 2477821)]