19026980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 50319360

約数和(自身を除く): 31292380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 70, 76, 92, 95, 115, 133, 140, 161, 190, 230, 266, 311, 322, 380, 437, 460, 532, 622, 644, 665, 805, 874, 1244, 1330, 1555, 1610, 1748, 2177, 2185, 2660, 3059, 3110, 3220, 4354, 4370, 5909, 6118, 6220, 7153, 8708, 8740, 10885, 11818, 12236, 14306, 15295, 21770, 23636, 28612, 29545, 30590, 35765, 41363, 43540, 50071, 59090, 61180, 71530, 82726, 100142, 118180, 135907, 143060, 165452, 200284, 206815, 250355, 271814, 413630, 500710, 543628, 679535, 827260, 951349, 1001420, 1359070, 1902698, 2718140, 3805396, 4756745, 9513490, 19026980]

約数ペア:

[(1, 19026980), (2, 9513490), (4, 4756745), (5, 3805396), (7, 2718140), (10, 1902698), (14, 1359070), (19, 1001420), (20, 951349), (23, 827260), (28, 679535), (35, 543628), (38, 500710), (46, 413630), (70, 271814), (76, 250355), (92, 206815), (95, 200284), (115, 165452), (133, 143060), (140, 135907), (161, 118180), (190, 100142), (230, 82726), (266, 71530), (311, 61180), (322, 59090), (380, 50071), (437, 43540), (460, 41363), (532, 35765), (622, 30590), (644, 29545), (665, 28612), (805, 23636), (874, 21770), (1244, 15295), (1330, 14306), (1555, 12236), (1610, 11818), (1748, 10885), (2177, 8740), (2185, 8708), (2660, 7153), (3059, 6220), (3110, 6118), (3220, 5909), (4354, 4370)]