19498028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 39795840

約数和(自身を除く): 20297812

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 83, 166, 209, 281, 332, 418, 562, 836, 913, 1124, 1577, 1826, 3091, 3154, 3652, 5339, 6182, 6308, 10678, 12364, 17347, 21356, 23323, 34694, 46646, 58729, 69388, 93292, 117458, 234916, 256553, 443137, 513106, 886274, 1026212, 1772548, 4874507, 9749014, 19498028]

約数ペア:

[(1, 19498028), (2, 9749014), (4, 4874507), (11, 1772548), (19, 1026212), (22, 886274), (38, 513106), (44, 443137), (76, 256553), (83, 234916), (166, 117458), (209, 93292), (281, 69388), (332, 58729), (418, 46646), (562, 34694), (836, 23323), (913, 21356), (1124, 17347), (1577, 12364), (1826, 10678), (3091, 6308), (3154, 6182), (3652, 5339)]