18943704

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:609

約数の個数: 96

約数和(自身を含む): 56849520

約数和(自身を除く): 37905816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 37, 39, 52, 72, 74, 78, 104, 111, 117, 148, 156, 222, 234, 296, 312, 333, 444, 468, 481, 547, 666, 888, 936, 962, 1094, 1332, 1443, 1641, 1924, 2188, 2664, 2886, 3282, 3848, 4329, 4376, 4923, 5772, 6564, 7111, 8658, 9846, 11544, 13128, 14222, 17316, 19692, 20239, 21333, 28444, 34632, 39384, 40478, 42666, 56888, 60717, 63999, 80956, 85332, 121434, 127998, 161912, 170664, 182151, 242868, 255996, 263107, 364302, 485736, 511992, 526214, 728604, 789321, 1052428, 1457208, 1578642, 2104856, 2367963, 3157284, 4735926, 6314568, 9471852, 18943704]

約数ペア:

[(1, 18943704), (2, 9471852), (3, 6314568), (4, 4735926), (6, 3157284), (8, 2367963), (9, 2104856), (12, 1578642), (13, 1457208), (18, 1052428), (24, 789321), (26, 728604), (36, 526214), (37, 511992), (39, 485736), (52, 364302), (72, 263107), (74, 255996), (78, 242868), (104, 182151), (111, 170664), (117, 161912), (148, 127998), (156, 121434), (222, 85332), (234, 80956), (296, 63999), (312, 60717), (333, 56888), (444, 42666), (468, 40478), (481, 39384), (547, 34632), (666, 28444), (888, 21333), (936, 20239), (962, 19692), (1094, 17316), (1332, 14222), (1443, 13128), (1641, 11544), (1924, 9846), (2188, 8658), (2664, 7111), (2886, 6564), (3282, 5772), (3848, 4923), (4329, 4376)]