18972181010

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^2\times {\mathrm{79}}^1\times {\mathrm{6899}}^1$

素因数の和:7103

約数の個数: 48

約数和(自身を含む): 35183376000

約数和(自身を除く): 16211194990

約数列:

[1, 2, 5, 10, 59, 79, 118, 158, 295, 395, 590, 790, 3481, 4661, 6899, 6962, 9322, 13798, 17405, 23305, 34495, 34810, 46610, 68990, 274999, 407041, 545021, 549998, 814082, 1090042, 1374995, 2035205, 2725105, 2749990, 4070410, 5450210, 24015419, 32156239, 48030838, 64312478, 120077095, 160781195, 240154190, 321562390, 1897218101, 3794436202, 9486090505, 18972181010]

約数ペア:

[(1, 18972181010), (2, 9486090505), (5, 3794436202), (10, 1897218101), (59, 321562390), (79, 240154190), (118, 160781195), (158, 120077095), (295, 64312478), (395, 48030838), (590, 32156239), (790, 24015419), (3481, 5450210), (4661, 4070410), (6899, 2749990), (6962, 2725105), (9322, 2035205), (13798, 1374995), (17405, 1090042), (23305, 814082), (34495, 549998), (34810, 545021), (46610, 407041), (68990, 274999)]