18440164780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{165799}}^1$

素因数の和:165958

約数の個数: 48

約数和(自身を含む): 39776083200

約数和(自身を除く): 21335918420

約数列:

[1, 2, 4, 5, 10, 20, 67, 83, 134, 166, 268, 332, 335, 415, 670, 830, 1340, 1660, 5561, 11122, 22244, 27805, 55610, 111220, 165799, 331598, 663196, 828995, 1657990, 3315980, 11108533, 13761317, 22217066, 27522634, 44434132, 55045268, 55542665, 68806585, 111085330, 137613170, 222170660, 275226340, 922008239, 1844016478, 3688032956, 4610041195, 9220082390, 18440164780]

約数ペア:

[(1, 18440164780), (2, 9220082390), (4, 4610041195), (5, 3688032956), (10, 1844016478), (20, 922008239), (67, 275226340), (83, 222170660), (134, 137613170), (166, 111085330), (268, 68806585), (332, 55542665), (335, 55045268), (415, 44434132), (670, 27522634), (830, 22217066), (1340, 13761317), (1660, 11108533), (5561, 3315980), (11122, 1657990), (22244, 828995), (27805, 663196), (55610, 331598), (111220, 165799)]