19382720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:550

約数の個数: 112

約数和(自身を含む): 55961280

約数和(自身を除く): 36578560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 136, 140, 160, 170, 224, 238, 272, 280, 320, 340, 448, 476, 509, 544, 560, 595, 680, 952, 1018, 1088, 1120, 1190, 1360, 1904, 2036, 2240, 2380, 2545, 2720, 3563, 3808, 4072, 4760, 5090, 5440, 7126, 7616, 8144, 8653, 9520, 10180, 14252, 16288, 17306, 17815, 19040, 20360, 28504, 32576, 34612, 35630, 38080, 40720, 43265, 57008, 60571, 69224, 71260, 81440, 86530, 114016, 121142, 138448, 142520, 162880, 173060, 228032, 242284, 276896, 285040, 302855, 346120, 484568, 553792, 570080, 605710, 692240, 969136, 1140160, 1211420, 1384480, 1938272, 2422840, 2768960, 3876544, 4845680, 9691360, 19382720]

約数ペア:

[(1, 19382720), (2, 9691360), (4, 4845680), (5, 3876544), (7, 2768960), (8, 2422840), (10, 1938272), (14, 1384480), (16, 1211420), (17, 1140160), (20, 969136), (28, 692240), (32, 605710), (34, 570080), (35, 553792), (40, 484568), (56, 346120), (64, 302855), (68, 285040), (70, 276896), (80, 242284), (85, 228032), (112, 173060), (119, 162880), (136, 142520), (140, 138448), (160, 121142), (170, 114016), (224, 86530), (238, 81440), (272, 71260), (280, 69224), (320, 60571), (340, 57008), (448, 43265), (476, 40720), (509, 38080), (544, 35630), (560, 34612), (595, 32576), (680, 28504), (952, 20360), (1018, 19040), (1088, 17815), (1120, 17306), (1190, 16288), (1360, 14252), (1904, 10180), (2036, 9520), (2240, 8653), (2380, 8144), (2545, 7616), (2720, 7126), (3563, 5440), (3808, 5090), (4072, 4760)]