19917576

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{4391}}^1$

素因数の和:4416

約数の個数: 80

約数和(自身を含む): 63771840

約数和(自身を除く): 43854264

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 252, 324, 378, 504, 567, 648, 756, 1134, 1512, 2268, 4391, 4536, 8782, 13173, 17564, 26346, 30737, 35128, 39519, 52692, 61474, 79038, 92211, 105384, 118557, 122948, 158076, 184422, 237114, 245896, 276633, 316152, 355671, 368844, 474228, 553266, 711342, 737688, 829899, 948456, 1106532, 1422684, 1659798, 2213064, 2489697, 2845368, 3319596, 4979394, 6639192, 9958788, 19917576]

約数ペア:

[(1, 19917576), (2, 9958788), (3, 6639192), (4, 4979394), (6, 3319596), (7, 2845368), (8, 2489697), (9, 2213064), (12, 1659798), (14, 1422684), (18, 1106532), (21, 948456), (24, 829899), (27, 737688), (28, 711342), (36, 553266), (42, 474228), (54, 368844), (56, 355671), (63, 316152), (72, 276633), (81, 245896), (84, 237114), (108, 184422), (126, 158076), (162, 122948), (168, 118557), (189, 105384), (216, 92211), (252, 79038), (324, 61474), (378, 52692), (504, 39519), (567, 35128), (648, 30737), (756, 26346), (1134, 17564), (1512, 13173), (2268, 8782), (4391, 4536)]