18928026

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 46166400

約数和(自身を除く): 27238374

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 59, 78, 117, 118, 177, 234, 351, 354, 457, 531, 702, 767, 914, 1062, 1371, 1534, 1593, 2301, 2742, 3186, 4113, 4602, 5941, 6903, 8226, 11882, 12339, 13806, 17823, 20709, 24678, 26963, 35646, 41418, 53469, 53926, 80889, 106938, 160407, 161778, 242667, 320814, 350519, 485334, 701038, 728001, 1051557, 1456002, 2103114, 3154671, 6309342, 9464013, 18928026]

約数ペア:

[(1, 18928026), (2, 9464013), (3, 6309342), (6, 3154671), (9, 2103114), (13, 1456002), (18, 1051557), (26, 728001), (27, 701038), (39, 485334), (54, 350519), (59, 320814), (78, 242667), (117, 161778), (118, 160407), (177, 106938), (234, 80889), (351, 53926), (354, 53469), (457, 41418), (531, 35646), (702, 26963), (767, 24678), (914, 20709), (1062, 17823), (1371, 13806), (1534, 12339), (1593, 11882), (2301, 8226), (2742, 6903), (3186, 5941), (4113, 4602)]