19135655

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2161}}^1$

素因数の和:2207

約数の個数: 32

約数和(自身を含む): 29887488

約数和(自身を除く): 10751833

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 2161, 8855, 10805, 15127, 23771, 49703, 75635, 118855, 166397, 248515, 347921, 546733, 831985, 1739605, 2733665, 3827131, 19135655]

約数ペア:

[(1, 19135655), (5, 3827131), (7, 2733665), (11, 1739605), (23, 831985), (35, 546733), (55, 347921), (77, 248515), (115, 166397), (161, 118855), (253, 75635), (385, 49703), (805, 23771), (1265, 15127), (1771, 10805), (2161, 8855)]