18804525051

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 27914163200

約数和(自身を除く): 9109638149

約数列:

[1, 3, 13, 39, 67, 97, 169, 201, 291, 439, 507, 871, 1261, 1317, 2197, 2613, 3783, 5707, 6499, 6591, 11323, 16393, 17121, 19497, 29413, 33969, 42583, 49179, 74191, 84487, 88239, 127749, 147199, 213109, 222573, 253461, 382369, 441597, 553579, 639327, 964483, 1098331, 1147107, 1660737, 2853061, 2893449, 3294993, 4970797, 7196527, 8559183, 14278303, 14912391, 21589581, 37089793, 42834909, 64620361, 93554851, 111269379, 193861083, 280664553, 482167309, 1446501927, 6268175017, 18804525051]

約数ペア:

[(1, 18804525051), (3, 6268175017), (13, 1446501927), (39, 482167309), (67, 280664553), (97, 193861083), (169, 111269379), (201, 93554851), (291, 64620361), (439, 42834909), (507, 37089793), (871, 21589581), (1261, 14912391), (1317, 14278303), (2197, 8559183), (2613, 7196527), (3783, 4970797), (5707, 3294993), (6499, 2893449), (6591, 2853061), (11323, 1660737), (16393, 1147107), (17121, 1098331), (19497, 964483), (29413, 639327), (33969, 553579), (42583, 441597), (49179, 382369), (74191, 253461), (84487, 222573), (88239, 213109), (127749, 147199)]