18963960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6871}}^1$

素因数の和:6908

約数の個数: 64

約数和(自身を含む): 59374080

約数和(自身を除く): 40410120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 6871, 13742, 20613, 27484, 34355, 41226, 54968, 68710, 82452, 103065, 137420, 158033, 164904, 206130, 274840, 316066, 412260, 474099, 632132, 790165, 824520, 948198, 1264264, 1580330, 1896396, 2370495, 3160660, 3792792, 4740990, 6321320, 9481980, 18963960]

約数ペア:

[(1, 18963960), (2, 9481980), (3, 6321320), (4, 4740990), (5, 3792792), (6, 3160660), (8, 2370495), (10, 1896396), (12, 1580330), (15, 1264264), (20, 948198), (23, 824520), (24, 790165), (30, 632132), (40, 474099), (46, 412260), (60, 316066), (69, 274840), (92, 206130), (115, 164904), (120, 158033), (138, 137420), (184, 103065), (230, 82452), (276, 68710), (345, 54968), (460, 41226), (552, 34355), (690, 27484), (920, 20613), (1380, 13742), (2760, 6871)]