19131120

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:560

約数の個数: 160

約数和(自身を含む): 69906240

約数和(自身を除く): 50775120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 102, 108, 120, 135, 136, 144, 153, 170, 180, 204, 216, 240, 255, 270, 272, 306, 340, 360, 408, 432, 459, 510, 521, 540, 612, 680, 720, 765, 816, 918, 1020, 1042, 1080, 1224, 1360, 1530, 1563, 1836, 2040, 2084, 2160, 2295, 2448, 2605, 3060, 3126, 3672, 4080, 4168, 4590, 4689, 5210, 6120, 6252, 7344, 7815, 8336, 8857, 9180, 9378, 10420, 12240, 12504, 14067, 15630, 17714, 18360, 18756, 20840, 23445, 25008, 26571, 28134, 31260, 35428, 36720, 37512, 41680, 44285, 46890, 53142, 56268, 62520, 70335, 70856, 75024, 79713, 88570, 93780, 106284, 112536, 125040, 132855, 140670, 141712, 159426, 177140, 187560, 212568, 225072, 239139, 265710, 281340, 318852, 354280, 375120, 398565, 425136, 478278, 531420, 562680, 637704, 708560, 797130, 956556, 1062840, 1125360, 1195695, 1275408, 1594260, 1913112, 2125680, 2391390, 3188520, 3826224, 4782780, 6377040, 9565560, 19131120]

約数ペア:

[(1, 19131120), (2, 9565560), (3, 6377040), (4, 4782780), (5, 3826224), (6, 3188520), (8, 2391390), (9, 2125680), (10, 1913112), (12, 1594260), (15, 1275408), (16, 1195695), (17, 1125360), (18, 1062840), (20, 956556), (24, 797130), (27, 708560), (30, 637704), (34, 562680), (36, 531420), (40, 478278), (45, 425136), (48, 398565), (51, 375120), (54, 354280), (60, 318852), (68, 281340), (72, 265710), (80, 239139), (85, 225072), (90, 212568), (102, 187560), (108, 177140), (120, 159426), (135, 141712), (136, 140670), (144, 132855), (153, 125040), (170, 112536), (180, 106284), (204, 93780), (216, 88570), (240, 79713), (255, 75024), (270, 70856), (272, 70335), (306, 62520), (340, 56268), (360, 53142), (408, 46890), (432, 44285), (459, 41680), (510, 37512), (521, 36720), (540, 35428), (612, 31260), (680, 28134), (720, 26571), (765, 25008), (816, 23445), (918, 20840), (1020, 18756), (1042, 18360), (1080, 17714), (1224, 15630), (1360, 14067), (1530, 12504), (1563, 12240), (1836, 10420), (2040, 9378), (2084, 9180), (2160, 8857), (2295, 8336), (2448, 7815), (2605, 7344), (3060, 6252), (3126, 6120), (3672, 5210), (4080, 4689), (4168, 4590)]