18557964

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 52039680

約数和(自身を除く): 33481716

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 31, 36, 46, 54, 62, 69, 92, 93, 108, 124, 138, 186, 207, 241, 276, 279, 372, 414, 482, 558, 621, 713, 723, 828, 837, 964, 1116, 1242, 1426, 1446, 1674, 2139, 2169, 2484, 2852, 2892, 3348, 4278, 4338, 5543, 6417, 6507, 7471, 8556, 8676, 11086, 12834, 13014, 14942, 16629, 19251, 22172, 22413, 25668, 26028, 29884, 33258, 38502, 44826, 49887, 66516, 67239, 77004, 89652, 99774, 134478, 149661, 171833, 199548, 201717, 268956, 299322, 343666, 403434, 515499, 598644, 687332, 806868, 1030998, 1546497, 2061996, 3092994, 4639491, 6185988, 9278982, 18557964]

約数ペア:

[(1, 18557964), (2, 9278982), (3, 6185988), (4, 4639491), (6, 3092994), (9, 2061996), (12, 1546497), (18, 1030998), (23, 806868), (27, 687332), (31, 598644), (36, 515499), (46, 403434), (54, 343666), (62, 299322), (69, 268956), (92, 201717), (93, 199548), (108, 171833), (124, 149661), (138, 134478), (186, 99774), (207, 89652), (241, 77004), (276, 67239), (279, 66516), (372, 49887), (414, 44826), (482, 38502), (558, 33258), (621, 29884), (713, 26028), (723, 25668), (828, 22413), (837, 22172), (964, 19251), (1116, 16629), (1242, 14942), (1426, 13014), (1446, 12834), (1674, 11086), (2139, 8676), (2169, 8556), (2484, 7471), (2852, 6507), (2892, 6417), (3348, 5543), (4278, 4338)]