18743238

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:163

約数の個数: 80

約数和(自身を含む): 44692560

約数和(自身を除く): 25949322

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 53, 54, 59, 74, 81, 106, 111, 118, 159, 162, 177, 222, 318, 333, 354, 477, 531, 666, 954, 999, 1062, 1431, 1593, 1961, 1998, 2183, 2862, 2997, 3127, 3186, 3922, 4293, 4366, 4779, 5883, 5994, 6254, 6549, 8586, 9381, 9558, 11766, 13098, 17649, 18762, 19647, 28143, 35298, 39294, 52947, 56286, 58941, 84429, 105894, 115699, 117882, 158841, 168858, 176823, 231398, 253287, 317682, 347097, 353646, 506574, 694194, 1041291, 2082582, 3123873, 6247746, 9371619, 18743238]

約数ペア:

[(1, 18743238), (2, 9371619), (3, 6247746), (6, 3123873), (9, 2082582), (18, 1041291), (27, 694194), (37, 506574), (53, 353646), (54, 347097), (59, 317682), (74, 253287), (81, 231398), (106, 176823), (111, 168858), (118, 158841), (159, 117882), (162, 115699), (177, 105894), (222, 84429), (318, 58941), (333, 56286), (354, 52947), (477, 39294), (531, 35298), (666, 28143), (954, 19647), (999, 18762), (1062, 17649), (1431, 13098), (1593, 11766), (1961, 9558), (1998, 9381), (2183, 8586), (2862, 6549), (2997, 6254), (3127, 5994), (3186, 5883), (3922, 4779), (4293, 4366)]