19811832

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1889}}^1$

素因数の和:1940

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 34620168

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 23, 24, 38, 46, 57, 69, 76, 92, 114, 138, 152, 184, 228, 276, 437, 456, 552, 874, 1311, 1748, 1889, 2622, 3496, 3778, 5244, 5667, 7556, 10488, 11334, 15112, 22668, 35891, 43447, 45336, 71782, 86894, 107673, 130341, 143564, 173788, 215346, 260682, 287128, 347576, 430692, 521364, 825493, 861384, 1042728, 1650986, 2476479, 3301972, 4952958, 6603944, 9905916, 19811832]

約数ペア:

[(1, 19811832), (2, 9905916), (3, 6603944), (4, 4952958), (6, 3301972), (8, 2476479), (12, 1650986), (19, 1042728), (23, 861384), (24, 825493), (38, 521364), (46, 430692), (57, 347576), (69, 287128), (76, 260682), (92, 215346), (114, 173788), (138, 143564), (152, 130341), (184, 107673), (228, 86894), (276, 71782), (437, 45336), (456, 43447), (552, 35891), (874, 22668), (1311, 15112), (1748, 11334), (1889, 10488), (2622, 7556), (3496, 5667), (3778, 5244)]