16919940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3863}}^1$

素因数の和:3948

約数の個数: 48

約数和(自身を含む): 48037248

約数和(自身を除く): 31117308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 3863, 4380, 7726, 11589, 15452, 19315, 23178, 38630, 46356, 57945, 77260, 115890, 231780, 281999, 563998, 845997, 1127996, 1409995, 1691994, 2819990, 3383988, 4229985, 5639980, 8459970, 16919940]

約数ペア:

[(1, 16919940), (2, 8459970), (3, 5639980), (4, 4229985), (5, 3383988), (6, 2819990), (10, 1691994), (12, 1409995), (15, 1127996), (20, 845997), (30, 563998), (60, 281999), (73, 231780), (146, 115890), (219, 77260), (292, 57945), (365, 46356), (438, 38630), (730, 23178), (876, 19315), (1095, 15452), (1460, 11589), (2190, 7726), (3863, 4380)]