19422990

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{7993}}^1$

素因数の和:8015

約数の個数: 48

約数和(自身を含む): 52376688

約数和(自身を除く): 32953698

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 7993, 15986, 23979, 39965, 47958, 71937, 79930, 119895, 143874, 215811, 239790, 359685, 431622, 647433, 719370, 1079055, 1294866, 1942299, 2158110, 3237165, 3884598, 6474330, 9711495, 19422990]

約数ペア:

[(1, 19422990), (2, 9711495), (3, 6474330), (5, 3884598), (6, 3237165), (9, 2158110), (10, 1942299), (15, 1294866), (18, 1079055), (27, 719370), (30, 647433), (45, 431622), (54, 359685), (81, 239790), (90, 215811), (135, 143874), (162, 119895), (243, 79930), (270, 71937), (405, 47958), (486, 39965), (810, 23979), (1215, 15986), (2430, 7993)]