16121538

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^2\times {\mathrm{827}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 37856160

約数和(自身を除く): 21734622

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 361, 513, 722, 827, 1026, 1083, 1654, 2166, 2481, 3249, 4962, 6498, 7443, 9747, 14886, 15713, 19494, 22329, 31426, 44658, 47139, 94278, 141417, 282834, 298547, 424251, 597094, 848502, 895641, 1791282, 2686923, 5373846, 8060769, 16121538]

約数ペア:

[(1, 16121538), (2, 8060769), (3, 5373846), (6, 2686923), (9, 1791282), (18, 895641), (19, 848502), (27, 597094), (38, 424251), (54, 298547), (57, 282834), (114, 141417), (171, 94278), (342, 47139), (361, 44658), (513, 31426), (722, 22329), (827, 19494), (1026, 15713), (1083, 14886), (1654, 9747), (2166, 7443), (2481, 6498), (3249, 4962)]