19993608

素因数分解:

$2^3\times 3^3\times {\mathrm{151}}^1\times {\mathrm{613}}^1$

素因数の和:779

約数の個数: 64

約数和(自身を含む): 55996800

約数和(自身を除く): 36003192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 151, 216, 302, 453, 604, 613, 906, 1208, 1226, 1359, 1812, 1839, 2452, 2718, 3624, 3678, 4077, 4904, 5436, 5517, 7356, 8154, 10872, 11034, 14712, 16308, 16551, 22068, 32616, 33102, 44136, 66204, 92563, 132408, 185126, 277689, 370252, 555378, 740504, 833067, 1110756, 1666134, 2221512, 2499201, 3332268, 4998402, 6664536, 9996804, 19993608]

約数ペア:

[(1, 19993608), (2, 9996804), (3, 6664536), (4, 4998402), (6, 3332268), (8, 2499201), (9, 2221512), (12, 1666134), (18, 1110756), (24, 833067), (27, 740504), (36, 555378), (54, 370252), (72, 277689), (108, 185126), (151, 132408), (216, 92563), (302, 66204), (453, 44136), (604, 33102), (613, 32616), (906, 22068), (1208, 16551), (1226, 16308), (1359, 14712), (1812, 11034), (1839, 10872), (2452, 8154), (2718, 7356), (3624, 5517), (3678, 5436), (4077, 4904)]