18498900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 63995904

約数和(自身を除く): 45497004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 25, 28, 30, 35, 42, 46, 50, 60, 69, 70, 75, 84, 92, 100, 105, 115, 138, 140, 150, 161, 175, 210, 230, 276, 300, 322, 345, 350, 383, 420, 460, 483, 525, 575, 644, 690, 700, 766, 805, 966, 1050, 1149, 1150, 1380, 1532, 1610, 1725, 1915, 1932, 2100, 2298, 2300, 2415, 2681, 3220, 3450, 3830, 4025, 4596, 4830, 5362, 5745, 6900, 7660, 8043, 8050, 8809, 9575, 9660, 10724, 11490, 12075, 13405, 16086, 16100, 17618, 19150, 22980, 24150, 26427, 26810, 28725, 32172, 35236, 38300, 40215, 44045, 48300, 52854, 53620, 57450, 61663, 67025, 80430, 88090, 105708, 114900, 123326, 132135, 134050, 160860, 176180, 184989, 201075, 220225, 246652, 264270, 268100, 308315, 369978, 402150, 440450, 528540, 616630, 660675, 739956, 804300, 880900, 924945, 1233260, 1321350, 1541575, 1849890, 2642700, 3083150, 3699780, 4624725, 6166300, 9249450, 18498900]

約数ペア:

[(1, 18498900), (2, 9249450), (3, 6166300), (4, 4624725), (5, 3699780), (6, 3083150), (7, 2642700), (10, 1849890), (12, 1541575), (14, 1321350), (15, 1233260), (20, 924945), (21, 880900), (23, 804300), (25, 739956), (28, 660675), (30, 616630), (35, 528540), (42, 440450), (46, 402150), (50, 369978), (60, 308315), (69, 268100), (70, 264270), (75, 246652), (84, 220225), (92, 201075), (100, 184989), (105, 176180), (115, 160860), (138, 134050), (140, 132135), (150, 123326), (161, 114900), (175, 105708), (210, 88090), (230, 80430), (276, 67025), (300, 61663), (322, 57450), (345, 53620), (350, 52854), (383, 48300), (420, 44045), (460, 40215), (483, 38300), (525, 35236), (575, 32172), (644, 28725), (690, 26810), (700, 26427), (766, 24150), (805, 22980), (966, 19150), (1050, 17618), (1149, 16100), (1150, 16086), (1380, 13405), (1532, 12075), (1610, 11490), (1725, 10724), (1915, 9660), (1932, 9575), (2100, 8809), (2298, 8050), (2300, 8043), (2415, 7660), (2681, 6900), (3220, 5745), (3450, 5362), (3830, 4830), (4025, 4596)]