19912158

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6871}}^1$

素因数の和:6909

約数の個数: 48

約数和(自身を含む): 51457536

約数和(自身を除く): 31545378

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 6871, 13742, 20613, 41226, 48097, 61839, 96194, 123678, 144291, 158033, 288582, 316066, 432873, 474099, 865746, 948198, 1106231, 1422297, 2212462, 2844594, 3318693, 6637386, 9956079, 19912158]

約数ペア:

[(1, 19912158), (2, 9956079), (3, 6637386), (6, 3318693), (7, 2844594), (9, 2212462), (14, 1422297), (18, 1106231), (21, 948198), (23, 865746), (42, 474099), (46, 432873), (63, 316066), (69, 288582), (126, 158033), (138, 144291), (161, 123678), (207, 96194), (322, 61839), (414, 48097), (483, 41226), (966, 20613), (1449, 13742), (2898, 6871)]