19698420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{46901}}^1$

素因数の和:46920

約数の個数: 48

約数和(自身を含む): 63036288

約数和(自身を除く): 43337868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 46901, 93802, 140703, 187604, 234505, 281406, 328307, 469010, 562812, 656614, 703515, 938020, 984921, 1313228, 1407030, 1641535, 1969842, 2814060, 3283070, 3939684, 4924605, 6566140, 9849210, 19698420]

約数ペア:

[(1, 19698420), (2, 9849210), (3, 6566140), (4, 4924605), (5, 3939684), (6, 3283070), (7, 2814060), (10, 1969842), (12, 1641535), (14, 1407030), (15, 1313228), (20, 984921), (21, 938020), (28, 703515), (30, 656614), (35, 562812), (42, 469010), (60, 328307), (70, 281406), (84, 234505), (105, 187604), (140, 140703), (210, 93802), (420, 46901)]