19389456

素因数分解:

$2^4\times 3^5\times {\mathrm{4987}}^1$

素因数の和:5010

約数の個数: 60

約数和(自身を含む): 56284592

約数和(自身を除く): 36895136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 4987, 9974, 14961, 19948, 29922, 39896, 44883, 59844, 79792, 89766, 119688, 134649, 179532, 239376, 269298, 359064, 403947, 538596, 718128, 807894, 1077192, 1211841, 1615788, 2154384, 2423682, 3231576, 4847364, 6463152, 9694728, 19389456]

約数ペア:

[(1, 19389456), (2, 9694728), (3, 6463152), (4, 4847364), (6, 3231576), (8, 2423682), (9, 2154384), (12, 1615788), (16, 1211841), (18, 1077192), (24, 807894), (27, 718128), (36, 538596), (48, 403947), (54, 359064), (72, 269298), (81, 239376), (108, 179532), (144, 134649), (162, 119688), (216, 89766), (243, 79792), (324, 59844), (432, 44883), (486, 39896), (648, 29922), (972, 19948), (1296, 14961), (1944, 9974), (3888, 4987)]