18398420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 41722128

約数和(自身を除く): 23323708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 53, 68, 85, 106, 170, 212, 265, 340, 530, 901, 1021, 1060, 1802, 2042, 3604, 4084, 4505, 5105, 9010, 10210, 17357, 18020, 20420, 34714, 54113, 69428, 86785, 108226, 173570, 216452, 270565, 347140, 541130, 919921, 1082260, 1839842, 3679684, 4599605, 9199210, 18398420]

約数ペア:

[(1, 18398420), (2, 9199210), (4, 4599605), (5, 3679684), (10, 1839842), (17, 1082260), (20, 919921), (34, 541130), (53, 347140), (68, 270565), (85, 216452), (106, 173570), (170, 108226), (212, 86785), (265, 69428), (340, 54113), (530, 34714), (901, 20420), (1021, 18020), (1060, 17357), (1802, 10210), (2042, 9010), (3604, 5105), (4084, 4505)]