19613460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2999}}^1$

素因数の和:3120

約数の個数: 48

約数和(自身を含む): 55440000

約数和(自身を除く): 35826540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 109, 218, 327, 436, 545, 654, 1090, 1308, 1635, 2180, 2999, 3270, 5998, 6540, 8997, 11996, 14995, 17994, 29990, 35988, 44985, 59980, 89970, 179940, 326891, 653782, 980673, 1307564, 1634455, 1961346, 3268910, 3922692, 4903365, 6537820, 9806730, 19613460]

約数ペア:

[(1, 19613460), (2, 9806730), (3, 6537820), (4, 4903365), (5, 3922692), (6, 3268910), (10, 1961346), (12, 1634455), (15, 1307564), (20, 980673), (30, 653782), (60, 326891), (109, 179940), (218, 89970), (327, 59980), (436, 44985), (545, 35988), (654, 29990), (1090, 17994), (1308, 14995), (1635, 11996), (2180, 8997), (2999, 6540), (3270, 5998)]