19205580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1039

約数の個数: 96

約数和(自身を含む): 59996160

約数和(自身を除く): 40790580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 991, 1020, 1140, 1292, 1615, 1938, 1982, 2973, 3230, 3876, 3964, 4845, 4955, 5946, 6460, 9690, 9910, 11892, 14865, 16847, 18829, 19380, 19820, 29730, 33694, 37658, 50541, 56487, 59460, 67388, 75316, 84235, 94145, 101082, 112974, 168470, 188290, 202164, 225948, 252705, 282435, 320093, 336940, 376580, 505410, 564870, 640186, 960279, 1010820, 1129740, 1280372, 1600465, 1920558, 3200930, 3841116, 4801395, 6401860, 9602790, 19205580]

約数ペア:

[(1, 19205580), (2, 9602790), (3, 6401860), (4, 4801395), (5, 3841116), (6, 3200930), (10, 1920558), (12, 1600465), (15, 1280372), (17, 1129740), (19, 1010820), (20, 960279), (30, 640186), (34, 564870), (38, 505410), (51, 376580), (57, 336940), (60, 320093), (68, 282435), (76, 252705), (85, 225948), (95, 202164), (102, 188290), (114, 168470), (170, 112974), (190, 101082), (204, 94145), (228, 84235), (255, 75316), (285, 67388), (323, 59460), (340, 56487), (380, 50541), (510, 37658), (570, 33694), (646, 29730), (969, 19820), (991, 19380), (1020, 18829), (1140, 16847), (1292, 14865), (1615, 11892), (1938, 9910), (1982, 9690), (2973, 6460), (3230, 5946), (3876, 4955), (3964, 4845)]