19419680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{2477}}^1$

素因数の和:2506

約数の個数: 72

約数和(自身を含む): 53390988

約数和(自身を除く): 33971308

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2477, 3920, 4954, 7840, 9908, 12385, 17339, 19816, 24770, 34678, 39632, 49540, 69356, 79264, 86695, 99080, 121373, 138712, 173390, 198160, 242746, 277424, 346780, 396320, 485492, 554848, 606865, 693560, 970984, 1213730, 1387120, 1941968, 2427460, 2774240, 3883936, 4854920, 9709840, 19419680]

約数ペア:

[(1, 19419680), (2, 9709840), (4, 4854920), (5, 3883936), (7, 2774240), (8, 2427460), (10, 1941968), (14, 1387120), (16, 1213730), (20, 970984), (28, 693560), (32, 606865), (35, 554848), (40, 485492), (49, 396320), (56, 346780), (70, 277424), (80, 242746), (98, 198160), (112, 173390), (140, 138712), (160, 121373), (196, 99080), (224, 86695), (245, 79264), (280, 69356), (392, 49540), (490, 39632), (560, 34678), (784, 24770), (980, 19816), (1120, 17339), (1568, 12385), (1960, 9908), (2477, 7840), (3920, 4954)]