18808212878

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1\times {\mathrm{4001}}^1$

素因数の和:5169

約数の個数: 64

約数和(自身を含む): 36273871872

約数和(自身を除く): 17465658994

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 1123, 2093, 2246, 4001, 4186, 7861, 8002, 14599, 15722, 25829, 28007, 29198, 51658, 52013, 56014, 92023, 102193, 104026, 180803, 184046, 204386, 335777, 361606, 364091, 644161, 671554, 728182, 1196299, 1288322, 2350439, 2392598, 4493123, 4700878, 8374093, 8986246, 16748186, 31451861, 58410599, 62903722, 103341829, 116821198, 206683658, 408874193, 723392803, 817748386, 1343443777, 1446785606, 2686887554, 9404106439, 18808212878]

約数ペア:

[(1, 18808212878), (2, 9404106439), (7, 2686887554), (13, 1446785606), (14, 1343443777), (23, 817748386), (26, 723392803), (46, 408874193), (91, 206683658), (161, 116821198), (182, 103341829), (299, 62903722), (322, 58410599), (598, 31451861), (1123, 16748186), (2093, 8986246), (2246, 8374093), (4001, 4700878), (4186, 4493123), (7861, 2392598), (8002, 2350439), (14599, 1288322), (15722, 1196299), (25829, 728182), (28007, 671554), (29198, 644161), (51658, 364091), (52013, 361606), (56014, 335777), (92023, 204386), (102193, 184046), (104026, 180803)]