19353990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 49719744

約数和(自身を除く): 30365754

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 137, 170, 255, 274, 277, 411, 510, 554, 685, 822, 831, 1370, 1385, 1662, 2055, 2329, 2770, 4110, 4155, 4658, 4709, 6987, 8310, 9418, 11645, 13974, 14127, 23290, 23545, 28254, 34935, 37949, 47090, 69870, 70635, 75898, 113847, 141270, 189745, 227694, 379490, 569235, 645133, 1138470, 1290266, 1935399, 3225665, 3870798, 6451330, 9676995, 19353990]

約数ペア:

[(1, 19353990), (2, 9676995), (3, 6451330), (5, 3870798), (6, 3225665), (10, 1935399), (15, 1290266), (17, 1138470), (30, 645133), (34, 569235), (51, 379490), (85, 227694), (102, 189745), (137, 141270), (170, 113847), (255, 75898), (274, 70635), (277, 69870), (411, 47090), (510, 37949), (554, 34935), (685, 28254), (822, 23545), (831, 23290), (1370, 14127), (1385, 13974), (1662, 11645), (2055, 9418), (2329, 8310), (2770, 6987), (4110, 4709), (4155, 4658)]