19118230

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 35554464

約数和(自身を除く): 16436234

約数列:

[1, 2, 5, 10, 43, 86, 173, 215, 257, 346, 430, 514, 865, 1285, 1730, 2570, 7439, 11051, 14878, 22102, 37195, 44461, 55255, 74390, 88922, 110510, 222305, 444610, 1911823, 3823646, 9559115, 19118230]

約数ペア:

[(1, 19118230), (2, 9559115), (5, 3823646), (10, 1911823), (43, 444610), (86, 222305), (173, 110510), (215, 88922), (257, 74390), (346, 55255), (430, 44461), (514, 37195), (865, 22102), (1285, 14878), (1730, 11051), (2570, 7439)]