19156640780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{607}}^1\times {\mathrm{54413}}^1$

素因数の和:55058

約数の個数: 48

約数和(自身を含む): 41685477120

約数和(自身を除く): 22528836340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 607, 1214, 2428, 3035, 6070, 12140, 17603, 35206, 54413, 70412, 88015, 108826, 176030, 217652, 272065, 352060, 544130, 1088260, 1577977, 3155954, 6311908, 7889885, 15779770, 31559540, 33028691, 66057382, 132114764, 165143455, 330286910, 660573820, 957832039, 1915664078, 3831328156, 4789160195, 9578320390, 19156640780]

約数ペア:

[(1, 19156640780), (2, 9578320390), (4, 4789160195), (5, 3831328156), (10, 1915664078), (20, 957832039), (29, 660573820), (58, 330286910), (116, 165143455), (145, 132114764), (290, 66057382), (580, 33028691), (607, 31559540), (1214, 15779770), (2428, 7889885), (3035, 6311908), (6070, 3155954), (12140, 1577977), (17603, 1088260), (35206, 544130), (54413, 352060), (70412, 272065), (88015, 217652), (108826, 176030)]