19687872

素因数分解:

$2^6\times 3^1\times {\mathrm{41}}^2\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 84

約数和(自身を含む): 54267608

約数和(自身を除く): 34579736

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 41, 48, 61, 64, 82, 96, 122, 123, 164, 183, 192, 244, 246, 328, 366, 488, 492, 656, 732, 976, 984, 1312, 1464, 1681, 1952, 1968, 2501, 2624, 2928, 3362, 3904, 3936, 5002, 5043, 5856, 6724, 7503, 7872, 10004, 10086, 11712, 13448, 15006, 20008, 20172, 26896, 30012, 40016, 40344, 53792, 60024, 80032, 80688, 102541, 107584, 120048, 160064, 161376, 205082, 240096, 307623, 322752, 410164, 480192, 615246, 820328, 1230492, 1640656, 2460984, 3281312, 4921968, 6562624, 9843936, 19687872]

約数ペア:

[(1, 19687872), (2, 9843936), (3, 6562624), (4, 4921968), (6, 3281312), (8, 2460984), (12, 1640656), (16, 1230492), (24, 820328), (32, 615246), (41, 480192), (48, 410164), (61, 322752), (64, 307623), (82, 240096), (96, 205082), (122, 161376), (123, 160064), (164, 120048), (183, 107584), (192, 102541), (244, 80688), (246, 80032), (328, 60024), (366, 53792), (488, 40344), (492, 40016), (656, 30012), (732, 26896), (976, 20172), (984, 20008), (1312, 15006), (1464, 13448), (1681, 11712), (1952, 10086), (1968, 10004), (2501, 7872), (2624, 7503), (2928, 6724), (3362, 5856), (3904, 5043), (3936, 5002)]