16919220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{673}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 47557440

約数和(自身を除く): 30638220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 419, 673, 838, 1257, 1346, 1676, 2019, 2095, 2514, 2692, 3365, 4038, 4190, 5028, 6285, 6730, 8076, 8380, 10095, 12570, 13460, 20190, 25140, 40380, 281987, 563974, 845961, 1127948, 1409935, 1691922, 2819870, 3383844, 4229805, 5639740, 8459610, 16919220]

約数ペア:

[(1, 16919220), (2, 8459610), (3, 5639740), (4, 4229805), (5, 3383844), (6, 2819870), (10, 1691922), (12, 1409935), (15, 1127948), (20, 845961), (30, 563974), (60, 281987), (419, 40380), (673, 25140), (838, 20190), (1257, 13460), (1346, 12570), (1676, 10095), (2019, 8380), (2095, 8076), (2514, 6730), (2692, 6285), (3365, 5028), (4038, 4190)]