19529312

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 42411600

約数和(自身を除く): 22882288

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 109, 176, 218, 352, 436, 509, 872, 1018, 1199, 1744, 2036, 2398, 3488, 4072, 4796, 5599, 8144, 9592, 11198, 16288, 19184, 22396, 38368, 44792, 55481, 89584, 110962, 179168, 221924, 443848, 610291, 887696, 1220582, 1775392, 2441164, 4882328, 9764656, 19529312]

約数ペア:

[(1, 19529312), (2, 9764656), (4, 4882328), (8, 2441164), (11, 1775392), (16, 1220582), (22, 887696), (32, 610291), (44, 443848), (88, 221924), (109, 179168), (176, 110962), (218, 89584), (352, 55481), (436, 44792), (509, 38368), (872, 22396), (1018, 19184), (1199, 16288), (1744, 11198), (2036, 9592), (2398, 8144), (3488, 5599), (4072, 4796)]