19138446916

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{479}}^1\times {\mathrm{823}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 34386508800

約数和(自身を除く): 15248061884

約数列:

[1, 2, 4, 53, 106, 212, 229, 458, 479, 823, 916, 958, 1646, 1916, 3292, 12137, 24274, 25387, 43619, 48548, 50774, 87238, 101548, 109691, 174476, 188467, 219382, 376934, 394217, 438764, 753868, 788434, 1576868, 5813623, 9988751, 11627246, 19977502, 20893501, 23254492, 39955004, 41787002, 83574004, 90275693, 180551386, 361102772, 4784611729, 9569223458, 19138446916]

約数ペア:

[(1, 19138446916), (2, 9569223458), (4, 4784611729), (53, 361102772), (106, 180551386), (212, 90275693), (229, 83574004), (458, 41787002), (479, 39955004), (823, 23254492), (916, 20893501), (958, 19977502), (1646, 11627246), (1916, 9988751), (3292, 5813623), (12137, 1576868), (24274, 788434), (25387, 753868), (43619, 438764), (48548, 394217), (50774, 376934), (87238, 219382), (101548, 188467), (109691, 174476)]