19687020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19301}}^1$

素因数の和:19330

約数の個数: 48

約数和(自身を含む): 58369248

約数和(自身を除く): 38682228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 19301, 38602, 57903, 77204, 96505, 115806, 193010, 231612, 289515, 328117, 386020, 579030, 656234, 984351, 1158060, 1312468, 1640585, 1968702, 3281170, 3937404, 4921755, 6562340, 9843510, 19687020]

約数ペア:

[(1, 19687020), (2, 9843510), (3, 6562340), (4, 4921755), (5, 3937404), (6, 3281170), (10, 1968702), (12, 1640585), (15, 1312468), (17, 1158060), (20, 984351), (30, 656234), (34, 579030), (51, 386020), (60, 328117), (68, 289515), (85, 231612), (102, 193010), (170, 115806), (204, 96505), (255, 77204), (340, 57903), (510, 38602), (1020, 19301)]