18781038

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 44064000

約数和(自身を除く): 25282962

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 67, 87, 134, 174, 179, 201, 261, 358, 402, 522, 537, 603, 783, 1074, 1206, 1566, 1611, 1809, 1943, 3222, 3618, 3886, 4833, 5191, 5829, 9666, 10382, 11658, 11993, 15573, 17487, 23986, 31146, 34974, 35979, 46719, 52461, 71958, 93438, 104922, 107937, 140157, 215874, 280314, 323811, 347797, 647622, 695594, 1043391, 2086782, 3130173, 6260346, 9390519, 18781038]

約数ペア:

[(1, 18781038), (2, 9390519), (3, 6260346), (6, 3130173), (9, 2086782), (18, 1043391), (27, 695594), (29, 647622), (54, 347797), (58, 323811), (67, 280314), (87, 215874), (134, 140157), (174, 107937), (179, 104922), (201, 93438), (261, 71958), (358, 52461), (402, 46719), (522, 35979), (537, 34974), (603, 31146), (783, 23986), (1074, 17487), (1206, 15573), (1566, 11993), (1611, 11658), (1809, 10382), (1943, 9666), (3222, 5829), (3618, 5191), (3886, 4833)]