19563830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13681}}^1$

素因数の和:13712

約数の個数: 32

約数和(自身を含む): 41374368

約数和(自身を除く): 21810538

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 13681, 27362, 68405, 136810, 150491, 177853, 300982, 355706, 752455, 889265, 1504910, 1778530, 1956383, 3912766, 9781915, 19563830]

約数ペア:

[(1, 19563830), (2, 9781915), (5, 3912766), (10, 1956383), (11, 1778530), (13, 1504910), (22, 889265), (26, 752455), (55, 355706), (65, 300982), (110, 177853), (130, 150491), (143, 136810), (286, 68405), (715, 27362), (1430, 13681)]