19770450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1032

約数の個数: 96

約数和(自身を含む): 59043840

約数和(自身を除く): 39273390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 35, 38, 42, 50, 57, 70, 75, 95, 105, 114, 133, 150, 175, 190, 210, 266, 285, 350, 399, 475, 525, 570, 665, 798, 950, 991, 1050, 1330, 1425, 1982, 1995, 2850, 2973, 3325, 3990, 4955, 5946, 6650, 6937, 9910, 9975, 13874, 14865, 18829, 19950, 20811, 24775, 29730, 34685, 37658, 41622, 49550, 56487, 69370, 74325, 94145, 104055, 112974, 131803, 148650, 173425, 188290, 208110, 263606, 282435, 346850, 395409, 470725, 520275, 564870, 659015, 790818, 941450, 1040550, 1318030, 1412175, 1977045, 2824350, 3295075, 3954090, 6590150, 9885225, 19770450]

約数ペア:

[(1, 19770450), (2, 9885225), (3, 6590150), (5, 3954090), (6, 3295075), (7, 2824350), (10, 1977045), (14, 1412175), (15, 1318030), (19, 1040550), (21, 941450), (25, 790818), (30, 659015), (35, 564870), (38, 520275), (42, 470725), (50, 395409), (57, 346850), (70, 282435), (75, 263606), (95, 208110), (105, 188290), (114, 173425), (133, 148650), (150, 131803), (175, 112974), (190, 104055), (210, 94145), (266, 74325), (285, 69370), (350, 56487), (399, 49550), (475, 41622), (525, 37658), (570, 34685), (665, 29730), (798, 24775), (950, 20811), (991, 19950), (1050, 18829), (1330, 14865), (1425, 13874), (1982, 9975), (1995, 9910), (2850, 6937), (2973, 6650), (3325, 5946), (3990, 4955)]