19506786

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 45577728

約数和(自身を除く): 26070942

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 47, 51, 78, 94, 102, 141, 221, 282, 313, 442, 611, 626, 663, 799, 939, 1222, 1326, 1598, 1833, 1878, 2397, 3666, 4069, 4794, 5321, 8138, 10387, 10642, 12207, 14711, 15963, 20774, 24414, 29422, 31161, 31926, 44133, 62322, 69173, 88266, 138346, 191243, 207519, 250087, 382486, 415038, 500174, 573729, 750261, 1147458, 1500522, 3251131, 6502262, 9753393, 19506786]

約数ペア:

[(1, 19506786), (2, 9753393), (3, 6502262), (6, 3251131), (13, 1500522), (17, 1147458), (26, 750261), (34, 573729), (39, 500174), (47, 415038), (51, 382486), (78, 250087), (94, 207519), (102, 191243), (141, 138346), (221, 88266), (282, 69173), (313, 62322), (442, 44133), (611, 31926), (626, 31161), (663, 29422), (799, 24414), (939, 20774), (1222, 15963), (1326, 14711), (1598, 12207), (1833, 10642), (1878, 10387), (2397, 8138), (3666, 5321), (4069, 4794)]