19985032

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{631}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 38905920

約数和(自身を除く): 18920888

約数列:

[1, 2, 4, 8, 37, 74, 107, 148, 214, 296, 428, 631, 856, 1262, 2524, 3959, 5048, 7918, 15836, 23347, 31672, 46694, 67517, 93388, 135034, 186776, 270068, 540136, 2498129, 4996258, 9992516, 19985032]

約数ペア:

[(1, 19985032), (2, 9992516), (4, 4996258), (8, 2498129), (37, 540136), (74, 270068), (107, 186776), (148, 135034), (214, 93388), (296, 67517), (428, 46694), (631, 31672), (856, 23347), (1262, 15836), (2524, 7918), (3959, 5048)]