17990002

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 29486592

約数和(自身を除く): 11496590

約数列:

[1, 2, 23, 46, 47, 53, 94, 106, 157, 314, 1081, 1219, 2162, 2438, 2491, 3611, 4982, 7222, 7379, 8321, 14758, 16642, 57293, 114586, 169717, 191383, 339434, 382766, 391087, 782174, 8995001, 17990002]

約数ペア:

[(1, 17990002), (2, 8995001), (23, 782174), (46, 391087), (47, 382766), (53, 339434), (94, 191383), (106, 169717), (157, 114586), (314, 57293), (1081, 16642), (1219, 14758), (2162, 8321), (2438, 7379), (2491, 7222), (3611, 4982)]