19057480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{547}}^1$

素因数の和:638

約数の個数: 64

約数和(自身を含む): 46952640

約数和(自身を除く): 27895160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 547, 670, 871, 1094, 1340, 1742, 2188, 2680, 2735, 3484, 4355, 4376, 5470, 6968, 7111, 8710, 10940, 14222, 17420, 21880, 28444, 34840, 35555, 36649, 56888, 71110, 73298, 142220, 146596, 183245, 284440, 293192, 366490, 476437, 732980, 952874, 1465960, 1905748, 2382185, 3811496, 4764370, 9528740, 19057480]

約数ペア:

[(1, 19057480), (2, 9528740), (4, 4764370), (5, 3811496), (8, 2382185), (10, 1905748), (13, 1465960), (20, 952874), (26, 732980), (40, 476437), (52, 366490), (65, 293192), (67, 284440), (104, 183245), (130, 146596), (134, 142220), (260, 73298), (268, 71110), (335, 56888), (520, 36649), (536, 35555), (547, 34840), (670, 28444), (871, 21880), (1094, 17420), (1340, 14222), (1742, 10940), (2188, 8710), (2680, 7111), (2735, 6968), (3484, 5470), (4355, 4376)]