19945442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 33981120

約数和(自身を除く): 14035678

約数列:

[1, 2, 11, 22, 37, 74, 107, 214, 229, 407, 458, 814, 1177, 2354, 2519, 3959, 5038, 7918, 8473, 16946, 24503, 43549, 49006, 87098, 93203, 186406, 269533, 539066, 906611, 1813222, 9972721, 19945442]

約数ペア:

[(1, 19945442), (2, 9972721), (11, 1813222), (22, 906611), (37, 539066), (74, 269533), (107, 186406), (214, 93203), (229, 87098), (407, 49006), (458, 43549), (814, 24503), (1177, 16946), (2354, 8473), (2519, 7918), (3959, 5038)]