19843704

素因数分解:

$2^3\times 3^4\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:402

約数の個数: 80

約数和(自身を含む): 56279520

約数和(自身を除く): 36435816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 113, 162, 216, 226, 271, 324, 339, 452, 542, 648, 678, 813, 904, 1017, 1084, 1356, 1626, 2034, 2168, 2439, 2712, 3051, 3252, 4068, 4878, 6102, 6504, 7317, 8136, 9153, 9756, 12204, 14634, 18306, 19512, 21951, 24408, 29268, 30623, 36612, 43902, 58536, 61246, 73224, 87804, 91869, 122492, 175608, 183738, 244984, 275607, 367476, 551214, 734952, 826821, 1102428, 1653642, 2204856, 2480463, 3307284, 4960926, 6614568, 9921852, 19843704]

約数ペア:

[(1, 19843704), (2, 9921852), (3, 6614568), (4, 4960926), (6, 3307284), (8, 2480463), (9, 2204856), (12, 1653642), (18, 1102428), (24, 826821), (27, 734952), (36, 551214), (54, 367476), (72, 275607), (81, 244984), (108, 183738), (113, 175608), (162, 122492), (216, 91869), (226, 87804), (271, 73224), (324, 61246), (339, 58536), (452, 43902), (542, 36612), (648, 30623), (678, 29268), (813, 24408), (904, 21951), (1017, 19512), (1084, 18306), (1356, 14634), (1626, 12204), (2034, 9756), (2168, 9153), (2439, 8136), (2712, 7317), (3051, 6504), (3252, 6102), (4068, 4878)]