19909656

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 58968000

約数和(自身を除く): 39058344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 89, 104, 117, 156, 178, 234, 239, 267, 312, 356, 468, 478, 534, 712, 717, 801, 936, 956, 1068, 1157, 1434, 1602, 1912, 2136, 2151, 2314, 2868, 3107, 3204, 3471, 4302, 4628, 5736, 6214, 6408, 6942, 8604, 9256, 9321, 10413, 12428, 13884, 17208, 18642, 20826, 21271, 24856, 27768, 27963, 37284, 41652, 42542, 55926, 63813, 74568, 83304, 85084, 111852, 127626, 170168, 191439, 223704, 255252, 276523, 382878, 510504, 553046, 765756, 829569, 1106092, 1531512, 1659138, 2212184, 2488707, 3318276, 4977414, 6636552, 9954828, 19909656]

約数ペア:

[(1, 19909656), (2, 9954828), (3, 6636552), (4, 4977414), (6, 3318276), (8, 2488707), (9, 2212184), (12, 1659138), (13, 1531512), (18, 1106092), (24, 829569), (26, 765756), (36, 553046), (39, 510504), (52, 382878), (72, 276523), (78, 255252), (89, 223704), (104, 191439), (117, 170168), (156, 127626), (178, 111852), (234, 85084), (239, 83304), (267, 74568), (312, 63813), (356, 55926), (468, 42542), (478, 41652), (534, 37284), (712, 27963), (717, 27768), (801, 24856), (936, 21271), (956, 20826), (1068, 18642), (1157, 17208), (1434, 13884), (1602, 12428), (1912, 10413), (2136, 9321), (2151, 9256), (2314, 8604), (2868, 6942), (3107, 6408), (3204, 6214), (3471, 5736), (4302, 4628)]