19849644

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 54996480

約数和(自身を除く): 35146836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 61, 69, 92, 108, 122, 131, 138, 183, 207, 244, 262, 276, 366, 393, 414, 524, 549, 621, 732, 786, 828, 1098, 1179, 1242, 1403, 1572, 1647, 2196, 2358, 2484, 2806, 3013, 3294, 3537, 4209, 4716, 5612, 6026, 6588, 7074, 7991, 8418, 9039, 12052, 12627, 14148, 15982, 16836, 18078, 23973, 25254, 27117, 31964, 36156, 37881, 47946, 50508, 54234, 71919, 75762, 81351, 95892, 108468, 143838, 151524, 162702, 183793, 215757, 287676, 325404, 367586, 431514, 551379, 735172, 863028, 1102758, 1654137, 2205516, 3308274, 4962411, 6616548, 9924822, 19849644]

約数ペア:

[(1, 19849644), (2, 9924822), (3, 6616548), (4, 4962411), (6, 3308274), (9, 2205516), (12, 1654137), (18, 1102758), (23, 863028), (27, 735172), (36, 551379), (46, 431514), (54, 367586), (61, 325404), (69, 287676), (92, 215757), (108, 183793), (122, 162702), (131, 151524), (138, 143838), (183, 108468), (207, 95892), (244, 81351), (262, 75762), (276, 71919), (366, 54234), (393, 50508), (414, 47946), (524, 37881), (549, 36156), (621, 31964), (732, 27117), (786, 25254), (828, 23973), (1098, 18078), (1179, 16836), (1242, 15982), (1403, 14148), (1572, 12627), (1647, 12052), (2196, 9039), (2358, 8418), (2484, 7991), (2806, 7074), (3013, 6588), (3294, 6026), (3537, 5612), (4209, 4716)]