18990462

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 24555138

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 41, 51, 57, 82, 102, 114, 123, 239, 246, 323, 478, 646, 697, 717, 779, 969, 1394, 1434, 1558, 1938, 2091, 2337, 4063, 4182, 4541, 4674, 8126, 9082, 9799, 12189, 13243, 13623, 19598, 24378, 26486, 27246, 29397, 39729, 58794, 77197, 79458, 154394, 166583, 186181, 231591, 333166, 372362, 463182, 499749, 558543, 999498, 1117086, 3165077, 6330154, 9495231, 18990462]

約数ペア:

[(1, 18990462), (2, 9495231), (3, 6330154), (6, 3165077), (17, 1117086), (19, 999498), (34, 558543), (38, 499749), (41, 463182), (51, 372362), (57, 333166), (82, 231591), (102, 186181), (114, 166583), (123, 154394), (239, 79458), (246, 77197), (323, 58794), (478, 39729), (646, 29397), (697, 27246), (717, 26486), (779, 24378), (969, 19598), (1394, 13623), (1434, 13243), (1558, 12189), (1938, 9799), (2091, 9082), (2337, 8126), (4063, 4674), (4182, 4541)]