18797940

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{4973}}^1$

素因数の和:4998

約数の個数: 96

約数和(自身を含む): 66850560

約数和(自身を除く): 48052620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 4973, 9946, 14919, 19892, 24865, 29838, 34811, 44757, 49730, 59676, 69622, 74595, 89514, 99460, 104433, 134271, 139244, 149190, 174055, 179028, 208866, 223785, 268542, 298380, 313299, 348110, 417732, 447570, 522165, 537084, 626598, 671355, 696220, 895140, 939897, 1044330, 1253196, 1342710, 1566495, 1879794, 2088660, 2685420, 3132990, 3759588, 4699485, 6265980, 9398970, 18797940]

約数ペア:

[(1, 18797940), (2, 9398970), (3, 6265980), (4, 4699485), (5, 3759588), (6, 3132990), (7, 2685420), (9, 2088660), (10, 1879794), (12, 1566495), (14, 1342710), (15, 1253196), (18, 1044330), (20, 939897), (21, 895140), (27, 696220), (28, 671355), (30, 626598), (35, 537084), (36, 522165), (42, 447570), (45, 417732), (54, 348110), (60, 313299), (63, 298380), (70, 268542), (84, 223785), (90, 208866), (105, 179028), (108, 174055), (126, 149190), (135, 139244), (140, 134271), (180, 104433), (189, 99460), (210, 89514), (252, 74595), (270, 69622), (315, 59676), (378, 49730), (420, 44757), (540, 34811), (630, 29838), (756, 24865), (945, 19892), (1260, 14919), (1890, 9946), (3780, 4973)]