19805448

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 56656800

約数和(自身を除く): 36851352

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 169, 228, 247, 257, 312, 338, 456, 494, 507, 514, 676, 741, 771, 988, 1014, 1028, 1352, 1482, 1542, 1976, 2028, 2056, 2964, 3084, 3211, 3341, 4056, 4883, 5928, 6168, 6422, 6682, 9633, 9766, 10023, 12844, 13364, 14649, 19266, 19532, 20046, 25688, 26728, 29298, 38532, 39064, 40092, 43433, 58596, 63479, 77064, 80184, 86866, 117192, 126958, 130299, 173732, 190437, 253916, 260598, 347464, 380874, 507832, 521196, 761748, 825227, 1042392, 1523496, 1650454, 2475681, 3300908, 4951362, 6601816, 9902724, 19805448]

約数ペア:

[(1, 19805448), (2, 9902724), (3, 6601816), (4, 4951362), (6, 3300908), (8, 2475681), (12, 1650454), (13, 1523496), (19, 1042392), (24, 825227), (26, 761748), (38, 521196), (39, 507832), (52, 380874), (57, 347464), (76, 260598), (78, 253916), (104, 190437), (114, 173732), (152, 130299), (156, 126958), (169, 117192), (228, 86866), (247, 80184), (257, 77064), (312, 63479), (338, 58596), (456, 43433), (494, 40092), (507, 39064), (514, 38532), (676, 29298), (741, 26728), (771, 25688), (988, 20046), (1014, 19532), (1028, 19266), (1352, 14649), (1482, 13364), (1542, 12844), (1976, 10023), (2028, 9766), (2056, 9633), (2964, 6682), (3084, 6422), (3211, 6168), (3341, 5928), (4056, 4883)]