19950030

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2050

約数の個数: 64

約数和(自身を含む): 54665280

約数和(自身を除く): 34715250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1997, 1998, 3330, 3994, 4995, 5991, 9985, 9990, 11982, 17973, 19970, 29955, 35946, 53919, 59910, 73889, 89865, 107838, 147778, 179730, 221667, 269595, 369445, 443334, 539190, 665001, 738890, 1108335, 1330002, 1995003, 2216670, 3325005, 3990006, 6650010, 9975015, 19950030]

約数ペア:

[(1, 19950030), (2, 9975015), (3, 6650010), (5, 3990006), (6, 3325005), (9, 2216670), (10, 1995003), (15, 1330002), (18, 1108335), (27, 738890), (30, 665001), (37, 539190), (45, 443334), (54, 369445), (74, 269595), (90, 221667), (111, 179730), (135, 147778), (185, 107838), (222, 89865), (270, 73889), (333, 59910), (370, 53919), (555, 35946), (666, 29955), (999, 19970), (1110, 17973), (1665, 11982), (1997, 9990), (1998, 9985), (3330, 5991), (3994, 4995)]