19516560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11617}}^1$

素因数の和:11640

約数の個数: 80

約数和(自身を含む): 69150336

約数和(自身を除く): 49633776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11617, 23234, 34851, 46468, 58085, 69702, 81319, 92936, 116170, 139404, 162638, 174255, 185872, 232340, 243957, 278808, 325276, 348510, 406595, 464680, 487914, 557616, 650552, 697020, 813190, 929360, 975828, 1219785, 1301104, 1394040, 1626380, 1951656, 2439570, 2788080, 3252760, 3903312, 4879140, 6505520, 9758280, 19516560]

約数ペア:

[(1, 19516560), (2, 9758280), (3, 6505520), (4, 4879140), (5, 3903312), (6, 3252760), (7, 2788080), (8, 2439570), (10, 1951656), (12, 1626380), (14, 1394040), (15, 1301104), (16, 1219785), (20, 975828), (21, 929360), (24, 813190), (28, 697020), (30, 650552), (35, 557616), (40, 487914), (42, 464680), (48, 406595), (56, 348510), (60, 325276), (70, 278808), (80, 243957), (84, 232340), (105, 185872), (112, 174255), (120, 162638), (140, 139404), (168, 116170), (210, 92936), (240, 81319), (280, 69702), (336, 58085), (420, 46468), (560, 34851), (840, 23234), (1680, 11617)]