18857538

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7877}}^1$

素因数の和:7911

約数の個数: 48

約数和(自身を含む): 49158720

約数和(自身を除く): 30301182

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 7877, 15754, 23631, 47262, 55139, 70893, 110278, 141786, 149663, 165417, 299326, 330834, 448989, 496251, 897978, 992502, 1047641, 1346967, 2095282, 2693934, 3142923, 6285846, 9428769, 18857538]

約数ペア:

[(1, 18857538), (2, 9428769), (3, 6285846), (6, 3142923), (7, 2693934), (9, 2095282), (14, 1346967), (18, 1047641), (19, 992502), (21, 897978), (38, 496251), (42, 448989), (57, 330834), (63, 299326), (114, 165417), (126, 149663), (133, 141786), (171, 110278), (266, 70893), (342, 55139), (399, 47262), (798, 23631), (1197, 15754), (2394, 7877)]