19404784

素因数分解:

$2^4\times 7^2\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:542

約数の個数: 60

約数和(自身を含む): 44655624

約数和(自身を除く): 25250840

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 53, 56, 98, 106, 112, 196, 212, 371, 392, 424, 467, 742, 784, 848, 934, 1484, 1868, 2597, 2968, 3269, 3736, 5194, 5936, 6538, 7472, 10388, 13076, 20776, 22883, 24751, 26152, 41552, 45766, 49502, 52304, 91532, 99004, 173257, 183064, 198008, 346514, 366128, 396016, 693028, 1212799, 1386056, 2425598, 2772112, 4851196, 9702392, 19404784]

約数ペア:

[(1, 19404784), (2, 9702392), (4, 4851196), (7, 2772112), (8, 2425598), (14, 1386056), (16, 1212799), (28, 693028), (49, 396016), (53, 366128), (56, 346514), (98, 198008), (106, 183064), (112, 173257), (196, 99004), (212, 91532), (371, 52304), (392, 49502), (424, 45766), (467, 41552), (742, 26152), (784, 24751), (848, 22883), (934, 20776), (1484, 13076), (1868, 10388), (2597, 7472), (2968, 6538), (3269, 5936), (3736, 5194)]