19513350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:542

約数の個数: 72

約数和(自身を含む): 53060592

約数和(自身を除く): 33547242

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 103, 150, 206, 225, 309, 421, 450, 515, 618, 842, 927, 1030, 1263, 1545, 1854, 2105, 2526, 2575, 3090, 3789, 4210, 4635, 5150, 6315, 7578, 7725, 9270, 10525, 12630, 15450, 18945, 21050, 23175, 31575, 37890, 43363, 46350, 63150, 86726, 94725, 130089, 189450, 216815, 260178, 390267, 433630, 650445, 780534, 1084075, 1300890, 1951335, 2168150, 3252225, 3902670, 6504450, 9756675, 19513350]

約数ペア:

[(1, 19513350), (2, 9756675), (3, 6504450), (5, 3902670), (6, 3252225), (9, 2168150), (10, 1951335), (15, 1300890), (18, 1084075), (25, 780534), (30, 650445), (45, 433630), (50, 390267), (75, 260178), (90, 216815), (103, 189450), (150, 130089), (206, 94725), (225, 86726), (309, 63150), (421, 46350), (450, 43363), (515, 37890), (618, 31575), (842, 23175), (927, 21050), (1030, 18945), (1263, 15450), (1545, 12630), (1854, 10525), (2105, 9270), (2526, 7725), (2575, 7578), (3090, 6315), (3789, 5150), (4210, 4635)]