19529356

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 42981120

約数和(自身を除く): 23451764

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 163, 308, 326, 389, 652, 778, 1141, 1556, 1793, 2282, 2723, 3586, 4279, 4564, 5446, 7172, 8558, 10892, 12551, 17116, 25102, 29953, 50204, 59906, 63407, 119812, 126814, 253628, 443849, 697477, 887698, 1394954, 1775396, 2789908, 4882339, 9764678, 19529356]

約数ペア:

[(1, 19529356), (2, 9764678), (4, 4882339), (7, 2789908), (11, 1775396), (14, 1394954), (22, 887698), (28, 697477), (44, 443849), (77, 253628), (154, 126814), (163, 119812), (308, 63407), (326, 59906), (389, 50204), (652, 29953), (778, 25102), (1141, 17116), (1556, 12551), (1793, 10892), (2282, 8558), (2723, 7172), (3586, 5446), (4279, 4564)]