19531928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1723}}^1$

素因数の和:1851

約数の個数: 32

約数和(自身を含む): 39824400

約数和(自身を除く): 20292472

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 1723, 2834, 3446, 5668, 6892, 11336, 13784, 22399, 44798, 89596, 179192, 187807, 375614, 751228, 1502456, 2441491, 4882982, 9765964, 19531928]

約数ペア:

[(1, 19531928), (2, 9765964), (4, 4882982), (8, 2441491), (13, 1502456), (26, 751228), (52, 375614), (104, 187807), (109, 179192), (218, 89596), (436, 44798), (872, 22399), (1417, 13784), (1723, 11336), (2834, 6892), (3446, 5668)]