18954880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4231}}^1$

素因数の和:4257

約数の個数: 64

約数和(自身を含む): 51799680

約数和(自身を除く): 32844800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4231, 4480, 8462, 16924, 21155, 29617, 33848, 42310, 59234, 67696, 84620, 118468, 135392, 148085, 169240, 236936, 270784, 296170, 338480, 473872, 541568, 592340, 676960, 947744, 1184680, 1353920, 1895488, 2369360, 2707840, 3790976, 4738720, 9477440, 18954880]

約数ペア:

[(1, 18954880), (2, 9477440), (4, 4738720), (5, 3790976), (7, 2707840), (8, 2369360), (10, 1895488), (14, 1353920), (16, 1184680), (20, 947744), (28, 676960), (32, 592340), (35, 541568), (40, 473872), (56, 338480), (64, 296170), (70, 270784), (80, 236936), (112, 169240), (128, 148085), (140, 135392), (160, 118468), (224, 84620), (280, 67696), (320, 59234), (448, 42310), (560, 33848), (640, 29617), (896, 21155), (1120, 16924), (2240, 8462), (4231, 4480)]