19396520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3391}}^1$

素因数の和:3426

約数の個数: 64

約数和(自身を含む): 51287040

約数和(自身を除く): 31890520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3391, 5720, 6782, 13564, 16955, 27128, 33910, 37301, 44083, 67820, 74602, 88166, 135640, 149204, 176332, 186505, 220415, 298408, 352664, 373010, 440830, 484913, 746020, 881660, 969826, 1492040, 1763320, 1939652, 2424565, 3879304, 4849130, 9698260, 19396520]

約数ペア:

[(1, 19396520), (2, 9698260), (4, 4849130), (5, 3879304), (8, 2424565), (10, 1939652), (11, 1763320), (13, 1492040), (20, 969826), (22, 881660), (26, 746020), (40, 484913), (44, 440830), (52, 373010), (55, 352664), (65, 298408), (88, 220415), (104, 186505), (110, 176332), (130, 149204), (143, 135640), (220, 88166), (260, 74602), (286, 67820), (440, 44083), (520, 37301), (572, 33910), (715, 27128), (1144, 16955), (1430, 13564), (2860, 6782), (3391, 5720)]