18178216

素因数分解:

$2^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{587}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 22040984

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 98, 158, 196, 316, 392, 553, 587, 632, 1106, 1174, 2212, 2348, 3871, 4109, 4424, 4696, 7742, 8218, 15484, 16436, 28763, 30968, 32872, 46373, 57526, 92746, 115052, 185492, 230104, 324611, 370984, 649222, 1298444, 2272277, 2596888, 4544554, 9089108, 18178216]

約数ペア:

[(1, 18178216), (2, 9089108), (4, 4544554), (7, 2596888), (8, 2272277), (14, 1298444), (28, 649222), (49, 370984), (56, 324611), (79, 230104), (98, 185492), (158, 115052), (196, 92746), (316, 57526), (392, 46373), (553, 32872), (587, 30968), (632, 28763), (1106, 16436), (1174, 15484), (2212, 8218), (2348, 7742), (3871, 4696), (4109, 4424)]