19498608

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 57877248

約数和(自身を除く): 38378640

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 47, 48, 67, 72, 86, 94, 129, 134, 141, 144, 172, 188, 201, 258, 268, 282, 344, 376, 387, 402, 423, 516, 536, 564, 603, 688, 752, 774, 804, 846, 1032, 1072, 1128, 1206, 1548, 1608, 1692, 2021, 2064, 2256, 2412, 2881, 3096, 3149, 3216, 3384, 4042, 4824, 5762, 6063, 6192, 6298, 6768, 8084, 8643, 9447, 9648, 11524, 12126, 12596, 16168, 17286, 18189, 18894, 23048, 24252, 25192, 25929, 28341, 32336, 34572, 36378, 37788, 46096, 48504, 50384, 51858, 56682, 69144, 72756, 75576, 97008, 103716, 113364, 135407, 138288, 145512, 151152, 207432, 226728, 270814, 291024, 406221, 414864, 453456, 541628, 812442, 1083256, 1218663, 1624884, 2166512, 2437326, 3249768, 4874652, 6499536, 9749304, 19498608]

約数ペア:

[(1, 19498608), (2, 9749304), (3, 6499536), (4, 4874652), (6, 3249768), (8, 2437326), (9, 2166512), (12, 1624884), (16, 1218663), (18, 1083256), (24, 812442), (36, 541628), (43, 453456), (47, 414864), (48, 406221), (67, 291024), (72, 270814), (86, 226728), (94, 207432), (129, 151152), (134, 145512), (141, 138288), (144, 135407), (172, 113364), (188, 103716), (201, 97008), (258, 75576), (268, 72756), (282, 69144), (344, 56682), (376, 51858), (387, 50384), (402, 48504), (423, 46096), (516, 37788), (536, 36378), (564, 34572), (603, 32336), (688, 28341), (752, 25929), (774, 25192), (804, 24252), (846, 23048), (1032, 18894), (1072, 18189), (1128, 17286), (1206, 16168), (1548, 12596), (1608, 12126), (1692, 11524), (2021, 9648), (2064, 9447), (2256, 8643), (2412, 8084), (2881, 6768), (3096, 6298), (3149, 6192), (3216, 6063), (3384, 5762), (4042, 4824)]