18805592

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 41395200

約数和(自身を除く): 22589608

約数列:

[1, 2, 4, 8, 13, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 247, 248, 307, 403, 494, 589, 614, 806, 988, 1178, 1228, 1612, 1976, 2356, 2456, 3224, 3991, 4712, 5833, 7657, 7982, 9517, 11666, 15314, 15964, 19034, 23332, 30628, 31928, 38068, 46664, 61256, 75829, 76136, 123721, 151658, 180823, 247442, 303316, 361646, 494884, 606632, 723292, 989768, 1446584, 2350699, 4701398, 9402796, 18805592]

約数ペア:

[(1, 18805592), (2, 9402796), (4, 4701398), (8, 2350699), (13, 1446584), (19, 989768), (26, 723292), (31, 606632), (38, 494884), (52, 361646), (62, 303316), (76, 247442), (104, 180823), (124, 151658), (152, 123721), (247, 76136), (248, 75829), (307, 61256), (403, 46664), (494, 38068), (589, 31928), (614, 30628), (806, 23332), (988, 19034), (1178, 15964), (1228, 15314), (1612, 11666), (1976, 9517), (2356, 7982), (2456, 7657), (3224, 5833), (3991, 4712)]