19893342

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 48545280

約数和(自身を除く): 28651938

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 97, 114, 133, 194, 257, 266, 291, 399, 514, 582, 679, 771, 798, 1358, 1542, 1799, 1843, 2037, 3598, 3686, 4074, 4883, 5397, 5529, 9766, 10794, 11058, 12901, 14649, 24929, 25802, 29298, 34181, 38703, 49858, 68362, 74787, 77406, 102543, 149574, 174503, 205086, 349006, 473651, 523509, 947302, 1047018, 1420953, 2841906, 3315557, 6631114, 9946671, 19893342]

約数ペア:

[(1, 19893342), (2, 9946671), (3, 6631114), (6, 3315557), (7, 2841906), (14, 1420953), (19, 1047018), (21, 947302), (38, 523509), (42, 473651), (57, 349006), (97, 205086), (114, 174503), (133, 149574), (194, 102543), (257, 77406), (266, 74787), (291, 68362), (399, 49858), (514, 38703), (582, 34181), (679, 29298), (771, 25802), (798, 24929), (1358, 14649), (1542, 12901), (1799, 11058), (1843, 10794), (2037, 9766), (3598, 5529), (3686, 5397), (4074, 4883)]