19439640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4909}}^1$

素因数の和:4937

約数の個数: 96

約数和(自身を含む): 68936400

約数和(自身を除く): 49496760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 4909, 9818, 14727, 19636, 24545, 29454, 39272, 44181, 49090, 53999, 58908, 73635, 88362, 98180, 107998, 117816, 147270, 161997, 176724, 196360, 215996, 220905, 269995, 294540, 323994, 353448, 431992, 441810, 485991, 539990, 589080, 647988, 809985, 883620, 971982, 1079980, 1295976, 1619970, 1767240, 1943964, 2159960, 2429955, 3239940, 3887928, 4859910, 6479880, 9719820, 19439640]

約数ペア:

[(1, 19439640), (2, 9719820), (3, 6479880), (4, 4859910), (5, 3887928), (6, 3239940), (8, 2429955), (9, 2159960), (10, 1943964), (11, 1767240), (12, 1619970), (15, 1295976), (18, 1079980), (20, 971982), (22, 883620), (24, 809985), (30, 647988), (33, 589080), (36, 539990), (40, 485991), (44, 441810), (45, 431992), (55, 353448), (60, 323994), (66, 294540), (72, 269995), (88, 220905), (90, 215996), (99, 196360), (110, 176724), (120, 161997), (132, 147270), (165, 117816), (180, 107998), (198, 98180), (220, 88362), (264, 73635), (330, 58908), (360, 53999), (396, 49090), (440, 44181), (495, 39272), (660, 29454), (792, 24545), (990, 19636), (1320, 14727), (1980, 9818), (3960, 4909)]