18616920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1$

素因数の和:657

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 47047080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 599, 740, 777, 840, 888, 1036, 1110, 1198, 1295, 1480, 1554, 1797, 2072, 2220, 2396, 2590, 2995, 3108, 3594, 3885, 4193, 4440, 4792, 5180, 5990, 6216, 7188, 7770, 8386, 8985, 10360, 11980, 12579, 14376, 15540, 16772, 17970, 20965, 22163, 23960, 25158, 31080, 33544, 35940, 41930, 44326, 50316, 62895, 66489, 71880, 83860, 88652, 100632, 110815, 125790, 132978, 155141, 167720, 177304, 221630, 251580, 265956, 310282, 332445, 443260, 465423, 503160, 531912, 620564, 664890, 775705, 886520, 930846, 1241128, 1329780, 1551410, 1861692, 2327115, 2659560, 3102820, 3723384, 4654230, 6205640, 9308460, 18616920]

約数ペア:

[(1, 18616920), (2, 9308460), (3, 6205640), (4, 4654230), (5, 3723384), (6, 3102820), (7, 2659560), (8, 2327115), (10, 1861692), (12, 1551410), (14, 1329780), (15, 1241128), (20, 930846), (21, 886520), (24, 775705), (28, 664890), (30, 620564), (35, 531912), (37, 503160), (40, 465423), (42, 443260), (56, 332445), (60, 310282), (70, 265956), (74, 251580), (84, 221630), (105, 177304), (111, 167720), (120, 155141), (140, 132978), (148, 125790), (168, 110815), (185, 100632), (210, 88652), (222, 83860), (259, 71880), (280, 66489), (296, 62895), (370, 50316), (420, 44326), (444, 41930), (518, 35940), (555, 33544), (599, 31080), (740, 25158), (777, 23960), (840, 22163), (888, 20965), (1036, 17970), (1110, 16772), (1198, 15540), (1295, 14376), (1480, 12579), (1554, 11980), (1797, 10360), (2072, 8985), (2220, 8386), (2396, 7770), (2590, 7188), (2995, 6216), (3108, 5990), (3594, 5180), (3885, 4792), (4193, 4440)]