17881668

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:167

約数の個数: 144

約数和(自身を含む): 56179200

約数和(自身を除く): 38297532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 31, 36, 42, 49, 54, 62, 63, 84, 93, 98, 108, 109, 124, 126, 147, 186, 189, 196, 217, 218, 252, 279, 294, 327, 372, 378, 434, 436, 441, 558, 588, 651, 654, 756, 763, 837, 868, 882, 981, 1116, 1302, 1308, 1323, 1519, 1526, 1674, 1764, 1953, 1962, 2289, 2604, 2646, 2943, 3038, 3052, 3348, 3379, 3906, 3924, 4557, 4578, 5292, 5341, 5859, 5886, 6076, 6758, 6867, 7812, 9114, 9156, 10137, 10682, 11718, 11772, 13516, 13671, 13734, 16023, 18228, 20274, 20601, 21364, 23436, 23653, 27342, 27468, 30411, 32046, 40548, 41013, 41202, 47306, 48069, 54684, 60822, 64092, 70959, 82026, 82404, 91233, 94612, 96138, 121644, 141918, 144207, 164052, 165571, 182466, 192276, 212877, 283836, 288414, 331142, 364932, 425754, 496713, 576828, 638631, 662284, 851508, 993426, 1277262, 1490139, 1986852, 2554524, 2980278, 4470417, 5960556, 8940834, 17881668]

約数ペア:

[(1, 17881668), (2, 8940834), (3, 5960556), (4, 4470417), (6, 2980278), (7, 2554524), (9, 1986852), (12, 1490139), (14, 1277262), (18, 993426), (21, 851508), (27, 662284), (28, 638631), (31, 576828), (36, 496713), (42, 425754), (49, 364932), (54, 331142), (62, 288414), (63, 283836), (84, 212877), (93, 192276), (98, 182466), (108, 165571), (109, 164052), (124, 144207), (126, 141918), (147, 121644), (186, 96138), (189, 94612), (196, 91233), (217, 82404), (218, 82026), (252, 70959), (279, 64092), (294, 60822), (327, 54684), (372, 48069), (378, 47306), (434, 41202), (436, 41013), (441, 40548), (558, 32046), (588, 30411), (651, 27468), (654, 27342), (756, 23653), (763, 23436), (837, 21364), (868, 20601), (882, 20274), (981, 18228), (1116, 16023), (1302, 13734), (1308, 13671), (1323, 13516), (1519, 11772), (1526, 11718), (1674, 10682), (1764, 10137), (1953, 9156), (1962, 9114), (2289, 7812), (2604, 6867), (2646, 6758), (2943, 6076), (3038, 5886), (3052, 5859), (3348, 5341), (3379, 5292), (3906, 4578), (3924, 4557)]