19018300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 47809440

約数和(自身を除く): 28791140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 101, 140, 175, 202, 269, 350, 404, 505, 538, 700, 707, 1010, 1076, 1345, 1414, 1883, 2020, 2525, 2690, 2828, 3535, 3766, 5050, 5380, 6725, 7070, 7532, 9415, 10100, 13450, 14140, 17675, 18830, 26900, 27169, 35350, 37660, 47075, 54338, 70700, 94150, 108676, 135845, 188300, 190183, 271690, 380366, 543380, 679225, 760732, 950915, 1358450, 1901830, 2716900, 3803660, 4754575, 9509150, 19018300]

約数ペア:

[(1, 19018300), (2, 9509150), (4, 4754575), (5, 3803660), (7, 2716900), (10, 1901830), (14, 1358450), (20, 950915), (25, 760732), (28, 679225), (35, 543380), (50, 380366), (70, 271690), (100, 190183), (101, 188300), (140, 135845), (175, 108676), (202, 94150), (269, 70700), (350, 54338), (404, 47075), (505, 37660), (538, 35350), (700, 27169), (707, 26900), (1010, 18830), (1076, 17675), (1345, 14140), (1414, 13450), (1883, 10100), (2020, 9415), (2525, 7532), (2690, 7070), (2828, 6725), (3535, 5380), (3766, 5050)]