18783579740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2149151}}^1$

素因数の和:2149202

約数の個数: 48

約数和(自身を含む): 43326904320

約数和(自身を除く): 24543324580

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 2149151, 4298302, 8596604, 10745755, 21491510, 40833869, 42983020, 49430473, 81667738, 98860946, 163335476, 197721892, 204169345, 247152365, 408338690, 494304730, 816677380, 939178987, 988609460, 1878357974, 3756715948, 4695894935, 9391789870, 18783579740]

約数ペア:

[(1, 18783579740), (2, 9391789870), (4, 4695894935), (5, 3756715948), (10, 1878357974), (19, 988609460), (20, 939178987), (23, 816677380), (38, 494304730), (46, 408338690), (76, 247152365), (92, 204169345), (95, 197721892), (115, 163335476), (190, 98860946), (230, 81667738), (380, 49430473), (437, 42983020), (460, 40833869), (874, 21491510), (1748, 10745755), (2185, 8596604), (4370, 4298302), (8740, 2149151)]