18012621820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{101411}}^1$

素因数の和:101610

約数の個数: 48

約数和(自身を含む): 38640405888

約数和(自身を除く): 20627784068

約数列:

[1, 2, 4, 5, 10, 20, 83, 107, 166, 214, 332, 415, 428, 535, 830, 1070, 1660, 2140, 8881, 17762, 35524, 44405, 88810, 101411, 177620, 202822, 405644, 507055, 1014110, 2028220, 8417113, 10850977, 16834226, 21701954, 33668452, 42085565, 43403908, 54254885, 84171130, 108509770, 168342260, 217019540, 900631091, 1801262182, 3602524364, 4503155455, 9006310910, 18012621820]

約数ペア:

[(1, 18012621820), (2, 9006310910), (4, 4503155455), (5, 3602524364), (10, 1801262182), (20, 900631091), (83, 217019540), (107, 168342260), (166, 108509770), (214, 84171130), (332, 54254885), (415, 43403908), (428, 42085565), (535, 33668452), (830, 21701954), (1070, 16834226), (1660, 10850977), (2140, 8417113), (8881, 2028220), (17762, 1014110), (35524, 507055), (44405, 405644), (88810, 202822), (101411, 177620)]