19618920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{54497}}^1$

素因数の和:54514

約数の個数: 48

約数和(自身を含む): 63762660

約数和(自身を除く): 44143740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 54497, 108994, 163491, 217988, 272485, 326982, 435976, 490473, 544970, 653964, 817455, 980946, 1089940, 1307928, 1634910, 1961892, 2179880, 2452365, 3269820, 3923784, 4904730, 6539640, 9809460, 19618920]

約数ペア:

[(1, 19618920), (2, 9809460), (3, 6539640), (4, 4904730), (5, 3923784), (6, 3269820), (8, 2452365), (9, 2179880), (10, 1961892), (12, 1634910), (15, 1307928), (18, 1089940), (20, 980946), (24, 817455), (30, 653964), (36, 544970), (40, 490473), (45, 435976), (60, 326982), (72, 272485), (90, 217988), (120, 163491), (180, 108994), (360, 54497)]