19860148

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3793}}^1$

素因数の和:3832

約数の個数: 48

約数和(自身を含む): 45892224

約数和(自身を除く): 26032076

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 154, 187, 238, 308, 374, 476, 748, 1309, 2618, 3793, 5236, 7586, 15172, 26551, 41723, 53102, 64481, 83446, 106204, 128962, 166892, 257924, 292061, 451367, 584122, 709291, 902734, 1168244, 1418582, 1805468, 2837164, 4965037, 9930074, 19860148]

約数ペア:

[(1, 19860148), (2, 9930074), (4, 4965037), (7, 2837164), (11, 1805468), (14, 1418582), (17, 1168244), (22, 902734), (28, 709291), (34, 584122), (44, 451367), (68, 292061), (77, 257924), (119, 166892), (154, 128962), (187, 106204), (238, 83446), (308, 64481), (374, 53102), (476, 41723), (748, 26551), (1309, 15172), (2618, 7586), (3793, 5236)]