18381636

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 59358208

約数和(自身を除く): 40976572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 31, 36, 39, 42, 52, 62, 63, 78, 84, 91, 93, 117, 124, 126, 156, 181, 182, 186, 217, 234, 252, 273, 279, 362, 364, 372, 403, 434, 468, 543, 546, 558, 651, 724, 806, 819, 868, 1086, 1092, 1116, 1209, 1267, 1302, 1612, 1629, 1638, 1953, 2172, 2353, 2418, 2534, 2604, 2821, 3258, 3276, 3627, 3801, 3906, 4706, 4836, 5068, 5611, 5642, 6516, 7059, 7254, 7602, 7812, 8463, 9412, 11222, 11284, 11403, 14118, 14508, 15204, 16471, 16833, 16926, 21177, 22444, 22806, 25389, 28236, 32942, 33666, 33852, 39277, 42354, 45612, 49413, 50499, 50778, 65884, 67332, 72943, 78554, 84708, 98826, 100998, 101556, 117831, 145886, 148239, 157108, 197652, 201996, 218829, 235662, 291772, 296478, 353493, 437658, 471324, 510601, 592956, 656487, 706986, 875316, 1021202, 1312974, 1413972, 1531803, 2042404, 2625948, 3063606, 4595409, 6127212, 9190818, 18381636]

約数ペア:

[(1, 18381636), (2, 9190818), (3, 6127212), (4, 4595409), (6, 3063606), (7, 2625948), (9, 2042404), (12, 1531803), (13, 1413972), (14, 1312974), (18, 1021202), (21, 875316), (26, 706986), (28, 656487), (31, 592956), (36, 510601), (39, 471324), (42, 437658), (52, 353493), (62, 296478), (63, 291772), (78, 235662), (84, 218829), (91, 201996), (93, 197652), (117, 157108), (124, 148239), (126, 145886), (156, 117831), (181, 101556), (182, 100998), (186, 98826), (217, 84708), (234, 78554), (252, 72943), (273, 67332), (279, 65884), (362, 50778), (364, 50499), (372, 49413), (403, 45612), (434, 42354), (468, 39277), (543, 33852), (546, 33666), (558, 32942), (651, 28236), (724, 25389), (806, 22806), (819, 22444), (868, 21177), (1086, 16926), (1092, 16833), (1116, 16471), (1209, 15204), (1267, 14508), (1302, 14118), (1612, 11403), (1629, 11284), (1638, 11222), (1953, 9412), (2172, 8463), (2353, 7812), (2418, 7602), (2534, 7254), (2604, 7059), (2821, 6516), (3258, 5642), (3276, 5611), (3627, 5068), (3801, 4836), (3906, 4706)]