18669560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 54190080

約数和(自身を除く): 35520520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 223, 230, 260, 280, 299, 322, 364, 446, 455, 460, 520, 598, 644, 728, 805, 892, 910, 920, 1115, 1196, 1288, 1495, 1561, 1610, 1784, 1820, 2093, 2230, 2392, 2899, 2990, 3122, 3220, 3640, 4186, 4460, 5129, 5798, 5980, 6244, 6440, 7805, 8372, 8920, 10258, 10465, 11596, 11960, 12488, 14495, 15610, 16744, 20293, 20516, 20930, 23192, 25645, 28990, 31220, 35903, 40586, 41032, 41860, 51290, 57980, 62440, 66677, 71806, 81172, 83720, 101465, 102580, 115960, 133354, 143612, 162344, 179515, 202930, 205160, 266708, 287224, 333385, 359030, 405860, 466739, 533416, 666770, 718060, 811720, 933478, 1333540, 1436120, 1866956, 2333695, 2667080, 3733912, 4667390, 9334780, 18669560]

約数ペア:

[(1, 18669560), (2, 9334780), (4, 4667390), (5, 3733912), (7, 2667080), (8, 2333695), (10, 1866956), (13, 1436120), (14, 1333540), (20, 933478), (23, 811720), (26, 718060), (28, 666770), (35, 533416), (40, 466739), (46, 405860), (52, 359030), (56, 333385), (65, 287224), (70, 266708), (91, 205160), (92, 202930), (104, 179515), (115, 162344), (130, 143612), (140, 133354), (161, 115960), (182, 102580), (184, 101465), (223, 83720), (230, 81172), (260, 71806), (280, 66677), (299, 62440), (322, 57980), (364, 51290), (446, 41860), (455, 41032), (460, 40586), (520, 35903), (598, 31220), (644, 28990), (728, 25645), (805, 23192), (892, 20930), (910, 20516), (920, 20293), (1115, 16744), (1196, 15610), (1288, 14495), (1495, 12488), (1561, 11960), (1610, 11596), (1784, 10465), (1820, 10258), (2093, 8920), (2230, 8372), (2392, 7805), (2899, 6440), (2990, 6244), (3122, 5980), (3220, 5798), (3640, 5129), (4186, 4460)]