19474910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21401}}^1$

素因数の和:21428

約数の個数: 32

約数和(自身を含む): 43146432

約数和(自身を除く): 23671522

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21401, 42802, 107005, 149807, 214010, 278213, 299614, 556426, 749035, 1391065, 1498070, 1947491, 2782130, 3894982, 9737455, 19474910]

約数ペア:

[(1, 19474910), (2, 9737455), (5, 3894982), (7, 2782130), (10, 1947491), (13, 1498070), (14, 1391065), (26, 749035), (35, 556426), (65, 299614), (70, 278213), (91, 214010), (130, 149807), (182, 107005), (455, 42802), (910, 21401)]