19498528

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1505

約数の個数: 48

約数和(自身を含む): 44622144

約数和(自身を除く): 25123616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 854, 976, 1427, 1708, 1952, 2854, 3416, 5708, 6832, 9989, 11416, 13664, 19978, 22832, 39956, 45664, 79912, 87047, 159824, 174094, 319648, 348188, 609329, 696376, 1218658, 1392752, 2437316, 2785504, 4874632, 9749264, 19498528]

約数ペア:

[(1, 19498528), (2, 9749264), (4, 4874632), (7, 2785504), (8, 2437316), (14, 1392752), (16, 1218658), (28, 696376), (32, 609329), (56, 348188), (61, 319648), (112, 174094), (122, 159824), (224, 87047), (244, 79912), (427, 45664), (488, 39956), (854, 22832), (976, 19978), (1427, 13664), (1708, 11416), (1952, 9989), (2854, 6832), (3416, 5708)]