18509358

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 43444944

約数和(自身を除く): 24935586

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 157, 294, 314, 401, 471, 802, 942, 1099, 1203, 2198, 2406, 2807, 3297, 5614, 6594, 7693, 8421, 15386, 16842, 19649, 23079, 39298, 46158, 58947, 62957, 117894, 125914, 188871, 377742, 440699, 881398, 1322097, 2644194, 3084893, 6169786, 9254679, 18509358]

約数ペア:

[(1, 18509358), (2, 9254679), (3, 6169786), (6, 3084893), (7, 2644194), (14, 1322097), (21, 881398), (42, 440699), (49, 377742), (98, 188871), (147, 125914), (157, 117894), (294, 62957), (314, 58947), (401, 46158), (471, 39298), (802, 23079), (942, 19649), (1099, 16842), (1203, 15386), (2198, 8421), (2406, 7693), (2807, 6594), (3297, 5614)]