19089824

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 40942440

約数和(自身を除く): 21852616

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 109, 208, 218, 416, 421, 436, 842, 872, 1417, 1684, 1744, 2834, 3368, 3488, 5473, 5668, 6736, 10946, 11336, 13472, 21892, 22672, 43784, 45344, 45889, 87568, 91778, 175136, 183556, 367112, 596557, 734224, 1193114, 1468448, 2386228, 4772456, 9544912, 19089824]

約数ペア:

[(1, 19089824), (2, 9544912), (4, 4772456), (8, 2386228), (13, 1468448), (16, 1193114), (26, 734224), (32, 596557), (52, 367112), (104, 183556), (109, 175136), (208, 91778), (218, 87568), (416, 45889), (421, 45344), (436, 43784), (842, 22672), (872, 21892), (1417, 13472), (1684, 11336), (1744, 10946), (2834, 6736), (3368, 5668), (3488, 5473)]