19388702

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 32102400

約数和(自身を除く): 12713698

約数列:

[1, 2, 19, 31, 38, 62, 109, 151, 218, 302, 589, 1178, 2071, 2869, 3379, 4142, 4681, 5738, 6758, 9362, 16459, 32918, 64201, 88939, 128402, 177878, 312721, 510229, 625442, 1020458, 9694351, 19388702]

約数ペア:

[(1, 19388702), (2, 9694351), (19, 1020458), (31, 625442), (38, 510229), (62, 312721), (109, 177878), (151, 128402), (218, 88939), (302, 64201), (589, 32918), (1178, 16459), (2071, 9362), (2869, 6758), (3379, 5738), (4142, 4681)]