19311720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6997}}^1$

素因数の和:7034

約数の個数: 64

約数和(自身を含む): 60462720

約数和(自身を除く): 41151000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 6997, 13994, 20991, 27988, 34985, 41982, 55976, 69970, 83964, 104955, 139940, 160931, 167928, 209910, 279880, 321862, 419820, 482793, 643724, 804655, 839640, 965586, 1287448, 1609310, 1931172, 2413965, 3218620, 3862344, 4827930, 6437240, 9655860, 19311720]

約数ペア:

[(1, 19311720), (2, 9655860), (3, 6437240), (4, 4827930), (5, 3862344), (6, 3218620), (8, 2413965), (10, 1931172), (12, 1609310), (15, 1287448), (20, 965586), (23, 839640), (24, 804655), (30, 643724), (40, 482793), (46, 419820), (60, 321862), (69, 279880), (92, 209910), (115, 167928), (120, 160931), (138, 139940), (184, 104955), (230, 83964), (276, 69970), (345, 55976), (460, 41982), (552, 34985), (690, 27988), (920, 20991), (1380, 13994), (2760, 6997)]