18807516

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5741}}^1$

素因数の和:5771

約数の個数: 72

約数和(自身を含む): 58522464

約数和(自身を除く): 39714948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 5741, 11482, 17223, 22964, 34446, 40187, 51669, 68892, 74633, 80374, 103338, 120561, 149266, 160748, 206676, 223899, 241122, 298532, 361683, 447798, 482244, 522431, 671697, 723366, 895596, 1044862, 1343394, 1446732, 1567293, 2089724, 2686788, 3134586, 4701879, 6269172, 9403758, 18807516]

約数ペア:

[(1, 18807516), (2, 9403758), (3, 6269172), (4, 4701879), (6, 3134586), (7, 2686788), (9, 2089724), (12, 1567293), (13, 1446732), (14, 1343394), (18, 1044862), (21, 895596), (26, 723366), (28, 671697), (36, 522431), (39, 482244), (42, 447798), (52, 361683), (63, 298532), (78, 241122), (84, 223899), (91, 206676), (117, 160748), (126, 149266), (156, 120561), (182, 103338), (234, 80374), (252, 74633), (273, 68892), (364, 51669), (468, 40187), (546, 34446), (819, 22964), (1092, 17223), (1638, 11482), (3276, 5741)]