17939540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 40037760

約数和(自身を除く): 22098220

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 92, 115, 118, 230, 236, 295, 460, 590, 661, 1180, 1322, 1357, 2644, 2714, 3305, 5428, 6610, 6785, 13220, 13570, 15203, 27140, 30406, 38999, 60812, 76015, 77998, 152030, 155996, 194995, 304060, 389990, 779980, 896977, 1793954, 3587908, 4484885, 8969770, 17939540]

約数ペア:

[(1, 17939540), (2, 8969770), (4, 4484885), (5, 3587908), (10, 1793954), (20, 896977), (23, 779980), (46, 389990), (59, 304060), (92, 194995), (115, 155996), (118, 152030), (230, 77998), (236, 76015), (295, 60812), (460, 38999), (590, 30406), (661, 27140), (1180, 15203), (1322, 13570), (1357, 13220), (2644, 6785), (2714, 6610), (3305, 5428)]