18803512

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1172

約数の個数: 64

約数和(自身を含む): 45319680

約数和(自身を除く): 26516168

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 52, 56, 91, 92, 104, 161, 182, 184, 299, 322, 364, 598, 644, 728, 1123, 1196, 1288, 2093, 2246, 2392, 4186, 4492, 7861, 8372, 8984, 14599, 15722, 16744, 25829, 29198, 31444, 51658, 58396, 62888, 102193, 103316, 116792, 180803, 204386, 206632, 335777, 361606, 408772, 671554, 723212, 817544, 1343108, 1446424, 2350439, 2686216, 4700878, 9401756, 18803512]

約数ペア:

[(1, 18803512), (2, 9401756), (4, 4700878), (7, 2686216), (8, 2350439), (13, 1446424), (14, 1343108), (23, 817544), (26, 723212), (28, 671554), (46, 408772), (52, 361606), (56, 335777), (91, 206632), (92, 204386), (104, 180803), (161, 116792), (182, 103316), (184, 102193), (299, 62888), (322, 58396), (364, 51658), (598, 31444), (644, 29198), (728, 25829), (1123, 16744), (1196, 15722), (1288, 14599), (2093, 8984), (2246, 8372), (2392, 7861), (4186, 4492)]