19398512

素因数分解:

$2^4\times 7^2\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:358

約数の個数: 60

約数和(自身を含む): 44316360

約数和(自身を除く): 24917848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 109, 112, 196, 218, 227, 392, 436, 454, 763, 784, 872, 908, 1526, 1589, 1744, 1816, 3052, 3178, 3632, 5341, 6104, 6356, 10682, 11123, 12208, 12712, 21364, 22246, 24743, 25424, 42728, 44492, 49486, 85456, 88984, 98972, 173201, 177968, 197944, 346402, 395888, 692804, 1212407, 1385608, 2424814, 2771216, 4849628, 9699256, 19398512]

約数ペア:

[(1, 19398512), (2, 9699256), (4, 4849628), (7, 2771216), (8, 2424814), (14, 1385608), (16, 1212407), (28, 692804), (49, 395888), (56, 346402), (98, 197944), (109, 177968), (112, 173201), (196, 98972), (218, 88984), (227, 85456), (392, 49486), (436, 44492), (454, 42728), (763, 25424), (784, 24743), (872, 22246), (908, 21364), (1526, 12712), (1589, 12208), (1744, 11123), (1816, 10682), (3052, 6356), (3178, 6104), (3632, 5341)]