18950887984

素因数分解:

$2^4\times 7^2\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{2663}}^1$

素因数の和:3027

約数の個数: 120

約数和(自身を含む): 44342652960

約数和(自身を除く): 25391764976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 49, 56, 58, 98, 112, 116, 196, 203, 232, 313, 392, 406, 464, 626, 784, 812, 1252, 1421, 1624, 2191, 2504, 2663, 2842, 3248, 4382, 5008, 5326, 5684, 8764, 9077, 10652, 11368, 15337, 17528, 18154, 18641, 21304, 22736, 30674, 35056, 36308, 37282, 42608, 61348, 63539, 72616, 74564, 77227, 122696, 127078, 130487, 145232, 149128, 154454, 245392, 254156, 260974, 298256, 308908, 444773, 508312, 521948, 540589, 617816, 833519, 889546, 1016624, 1043896, 1081178, 1235632, 1667038, 1779092, 2087792, 2162356, 3334076, 3558184, 3784123, 4324712, 5834633, 6668152, 7116368, 7568246, 8649424, 11669266, 13336304, 15136492, 23338532, 24172051, 30272984, 40842431, 46677064, 48344102, 60545968, 81684862, 93354128, 96688204, 163369724, 169204357, 193376408, 326739448, 338408714, 386752816, 653478896, 676817428, 1184430499, 1353634856, 2368860998, 2707269712, 4737721996, 9475443992, 18950887984]

約数ペア:

[(1, 18950887984), (2, 9475443992), (4, 4737721996), (7, 2707269712), (8, 2368860998), (14, 1353634856), (16, 1184430499), (28, 676817428), (29, 653478896), (49, 386752816), (56, 338408714), (58, 326739448), (98, 193376408), (112, 169204357), (116, 163369724), (196, 96688204), (203, 93354128), (232, 81684862), (313, 60545968), (392, 48344102), (406, 46677064), (464, 40842431), (626, 30272984), (784, 24172051), (812, 23338532), (1252, 15136492), (1421, 13336304), (1624, 11669266), (2191, 8649424), (2504, 7568246), (2663, 7116368), (2842, 6668152), (3248, 5834633), (4382, 4324712), (5008, 3784123), (5326, 3558184), (5684, 3334076), (8764, 2162356), (9077, 2087792), (10652, 1779092), (11368, 1667038), (15337, 1235632), (17528, 1081178), (18154, 1043896), (18641, 1016624), (21304, 889546), (22736, 833519), (30674, 617816), (35056, 540589), (36308, 521948), (37282, 508312), (42608, 444773), (61348, 308908), (63539, 298256), (72616, 260974), (74564, 254156), (77227, 245392), (122696, 154454), (127078, 149128), (130487, 145232)]