18490416

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{487}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 55186944

約数和(自身を除く): 36696528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 113, 168, 226, 336, 339, 452, 487, 678, 791, 904, 974, 1356, 1461, 1582, 1808, 1948, 2373, 2712, 2922, 3164, 3409, 3896, 4746, 5424, 5844, 6328, 6818, 7792, 9492, 10227, 11688, 12656, 13636, 18984, 20454, 23376, 27272, 37968, 40908, 54544, 55031, 81816, 110062, 163632, 165093, 220124, 330186, 385217, 440248, 660372, 770434, 880496, 1155651, 1320744, 1540868, 2311302, 2641488, 3081736, 4622604, 6163472, 9245208, 18490416]

約数ペア:

[(1, 18490416), (2, 9245208), (3, 6163472), (4, 4622604), (6, 3081736), (7, 2641488), (8, 2311302), (12, 1540868), (14, 1320744), (16, 1155651), (21, 880496), (24, 770434), (28, 660372), (42, 440248), (48, 385217), (56, 330186), (84, 220124), (112, 165093), (113, 163632), (168, 110062), (226, 81816), (336, 55031), (339, 54544), (452, 40908), (487, 37968), (678, 27272), (791, 23376), (904, 20454), (974, 18984), (1356, 13636), (1461, 12656), (1582, 11688), (1808, 10227), (1948, 9492), (2373, 7792), (2712, 6818), (2922, 6328), (3164, 5844), (3409, 5424), (3896, 4746)]