18771408

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2137}}^1$

素因数の和:2212

約数の個数: 60

約数和(自身を含む): 53420068

約数和(自身を除く): 34648660

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2137, 2196, 2928, 4274, 4392, 6411, 8548, 8784, 12822, 17096, 19233, 25644, 34192, 38466, 51288, 76932, 102576, 130357, 153864, 260714, 307728, 391071, 521428, 782142, 1042856, 1173213, 1564284, 2085712, 2346426, 3128568, 4692852, 6257136, 9385704, 18771408]

約数ペア:

[(1, 18771408), (2, 9385704), (3, 6257136), (4, 4692852), (6, 3128568), (8, 2346426), (9, 2085712), (12, 1564284), (16, 1173213), (18, 1042856), (24, 782142), (36, 521428), (48, 391071), (61, 307728), (72, 260714), (122, 153864), (144, 130357), (183, 102576), (244, 76932), (366, 51288), (488, 38466), (549, 34192), (732, 25644), (976, 19233), (1098, 17096), (1464, 12822), (2137, 8784), (2196, 8548), (2928, 6411), (4274, 4392)]