19940418

素因数分解:

$2^1\times 3^4\times {\mathrm{83}}^1\times {\mathrm{1483}}^1$

素因数の和:1580

約数の個数: 40

約数和(自身を含む): 45250128

約数和(自身を除く): 25309710

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 83, 162, 166, 249, 498, 747, 1483, 1494, 2241, 2966, 4449, 4482, 6723, 8898, 13347, 13446, 26694, 40041, 80082, 120123, 123089, 240246, 246178, 369267, 738534, 1107801, 2215602, 3323403, 6646806, 9970209, 19940418]

約数ペア:

[(1, 19940418), (2, 9970209), (3, 6646806), (6, 3323403), (9, 2215602), (18, 1107801), (27, 738534), (54, 369267), (81, 246178), (83, 240246), (162, 123089), (166, 120123), (249, 80082), (498, 40041), (747, 26694), (1483, 13446), (1494, 13347), (2241, 8898), (2966, 6723), (4449, 4482)]