19660500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:299

約数の個数: 144

約数和(自身を含む): 65926224

約数和(自身を除く): 46265724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 50, 51, 60, 68, 75, 85, 90, 100, 102, 125, 150, 153, 170, 180, 204, 225, 250, 255, 257, 300, 306, 340, 375, 425, 450, 500, 510, 514, 612, 750, 765, 771, 850, 900, 1020, 1028, 1125, 1275, 1285, 1500, 1530, 1542, 1700, 2125, 2250, 2313, 2550, 2570, 3060, 3084, 3825, 3855, 4250, 4369, 4500, 4626, 5100, 5140, 6375, 6425, 7650, 7710, 8500, 8738, 9252, 11565, 12750, 12850, 13107, 15300, 15420, 17476, 19125, 19275, 21845, 23130, 25500, 25700, 26214, 32125, 38250, 38550, 39321, 43690, 46260, 52428, 57825, 64250, 65535, 76500, 77100, 78642, 87380, 96375, 109225, 115650, 128500, 131070, 157284, 192750, 196605, 218450, 231300, 262140, 289125, 327675, 385500, 393210, 436900, 546125, 578250, 655350, 786420, 983025, 1092250, 1156500, 1310700, 1638375, 1966050, 2184500, 3276750, 3932100, 4915125, 6553500, 9830250, 19660500]

約数ペア:

[(1, 19660500), (2, 9830250), (3, 6553500), (4, 4915125), (5, 3932100), (6, 3276750), (9, 2184500), (10, 1966050), (12, 1638375), (15, 1310700), (17, 1156500), (18, 1092250), (20, 983025), (25, 786420), (30, 655350), (34, 578250), (36, 546125), (45, 436900), (50, 393210), (51, 385500), (60, 327675), (68, 289125), (75, 262140), (85, 231300), (90, 218450), (100, 196605), (102, 192750), (125, 157284), (150, 131070), (153, 128500), (170, 115650), (180, 109225), (204, 96375), (225, 87380), (250, 78642), (255, 77100), (257, 76500), (300, 65535), (306, 64250), (340, 57825), (375, 52428), (425, 46260), (450, 43690), (500, 39321), (510, 38550), (514, 38250), (612, 32125), (750, 26214), (765, 25700), (771, 25500), (850, 23130), (900, 21845), (1020, 19275), (1028, 19125), (1125, 17476), (1275, 15420), (1285, 15300), (1500, 13107), (1530, 12850), (1542, 12750), (1700, 11565), (2125, 9252), (2250, 8738), (2313, 8500), (2550, 7710), (2570, 7650), (3060, 6425), (3084, 6375), (3825, 5140), (3855, 5100), (4250, 4626), (4369, 4500)]