16903980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{93911}}^1$

素因数の和:93926

約数の個数: 36

約数和(自身を含む): 51275952

約数和(自身を除く): 34371972

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 93911, 187822, 281733, 375644, 469555, 563466, 845199, 939110, 1126932, 1408665, 1690398, 1878220, 2817330, 3380796, 4225995, 5634660, 8451990, 16903980]

約数ペア:

[(1, 16903980), (2, 8451990), (3, 5634660), (4, 4225995), (5, 3380796), (6, 2817330), (9, 1878220), (10, 1690398), (12, 1408665), (15, 1126932), (18, 939110), (20, 845199), (30, 563466), (36, 469555), (45, 375644), (60, 281733), (90, 187822), (180, 93911)]