19517400

素因数分解:

$2^3\times 3^2\times 5^2\times 7^1\times {\mathrm{1549}}^1$

素因数の和:1578

約数の個数: 144

約数和(自身を含む): 74958000

約数和(自身を除く): 55440600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 28, 30, 35, 36, 40, 42, 45, 50, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 120, 126, 140, 150, 168, 175, 180, 200, 210, 225, 252, 280, 300, 315, 350, 360, 420, 450, 504, 525, 600, 630, 700, 840, 900, 1050, 1260, 1400, 1549, 1575, 1800, 2100, 2520, 3098, 3150, 4200, 4647, 6196, 6300, 7745, 9294, 10843, 12392, 12600, 13941, 15490, 18588, 21686, 23235, 27882, 30980, 32529, 37176, 38725, 43372, 46470, 54215, 55764, 61960, 65058, 69705, 77450, 86744, 92940, 97587, 108430, 111528, 116175, 130116, 139410, 154900, 162645, 185880, 195174, 216860, 232350, 260232, 271075, 278820, 309800, 325290, 348525, 390348, 433720, 464700, 487935, 542150, 557640, 650580, 697050, 780696, 813225, 929400, 975870, 1084300, 1301160, 1394100, 1626450, 1951740, 2168600, 2439675, 2788200, 3252900, 3903480, 4879350, 6505800, 9758700, 19517400]

約数ペア:

[(1, 19517400), (2, 9758700), (3, 6505800), (4, 4879350), (5, 3903480), (6, 3252900), (7, 2788200), (8, 2439675), (9, 2168600), (10, 1951740), (12, 1626450), (14, 1394100), (15, 1301160), (18, 1084300), (20, 975870), (21, 929400), (24, 813225), (25, 780696), (28, 697050), (30, 650580), (35, 557640), (36, 542150), (40, 487935), (42, 464700), (45, 433720), (50, 390348), (56, 348525), (60, 325290), (63, 309800), (70, 278820), (72, 271075), (75, 260232), (84, 232350), (90, 216860), (100, 195174), (105, 185880), (120, 162645), (126, 154900), (140, 139410), (150, 130116), (168, 116175), (175, 111528), (180, 108430), (200, 97587), (210, 92940), (225, 86744), (252, 77450), (280, 69705), (300, 65058), (315, 61960), (350, 55764), (360, 54215), (420, 46470), (450, 43372), (504, 38725), (525, 37176), (600, 32529), (630, 30980), (700, 27882), (840, 23235), (900, 21686), (1050, 18588), (1260, 15490), (1400, 13941), (1549, 12600), (1575, 12392), (1800, 10843), (2100, 9294), (2520, 7745), (3098, 6300), (3150, 6196), (4200, 4647)]