19420324

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3709}}^1$

素因数の和:3748

約数の個数: 48

約数和(自身を含む): 44876160

約数和(自身を除く): 25455836

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, 3709, 5236, 7418, 14836, 25963, 40799, 51926, 63053, 81598, 103852, 126106, 163196, 252212, 285593, 441371, 571186, 693583, 882742, 1142372, 1387166, 1765484, 2774332, 4855081, 9710162, 19420324]

約数ペア:

[(1, 19420324), (2, 9710162), (4, 4855081), (7, 2774332), (11, 1765484), (14, 1387166), (17, 1142372), (22, 882742), (28, 693583), (34, 571186), (44, 441371), (68, 285593), (77, 252212), (119, 163196), (154, 126106), (187, 103852), (238, 81598), (308, 63053), (374, 51926), (476, 40799), (748, 25963), (1309, 14836), (2618, 7418), (3709, 5236)]