18966150

素因数分解:

$2^1\times 3^5\times 5^2\times 7^1\times {\mathrm{223}}^1$

素因数の和:257

約数の個数: 144

約数和(自身を含む): 60662784

約数和(自身を除く): 41696634

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 50, 54, 63, 70, 75, 81, 90, 105, 126, 135, 150, 162, 175, 189, 210, 223, 225, 243, 270, 315, 350, 378, 405, 446, 450, 486, 525, 567, 630, 669, 675, 810, 945, 1050, 1115, 1134, 1215, 1338, 1350, 1561, 1575, 1701, 1890, 2007, 2025, 2230, 2430, 2835, 3122, 3150, 3345, 3402, 4014, 4050, 4683, 4725, 5575, 5670, 6021, 6075, 6690, 7805, 8505, 9366, 9450, 10035, 11150, 12042, 12150, 14049, 14175, 15610, 16725, 17010, 18063, 20070, 23415, 28098, 28350, 30105, 33450, 36126, 39025, 42147, 42525, 46830, 50175, 54189, 60210, 70245, 78050, 84294, 85050, 90315, 100350, 108378, 117075, 126441, 140490, 150525, 180630, 210735, 234150, 252882, 270945, 301050, 351225, 379323, 421470, 451575, 541890, 632205, 702450, 758646, 903150, 1053675, 1264410, 1354725, 1896615, 2107350, 2709450, 3161025, 3793230, 6322050, 9483075, 18966150]

約数ペア:

[(1, 18966150), (2, 9483075), (3, 6322050), (5, 3793230), (6, 3161025), (7, 2709450), (9, 2107350), (10, 1896615), (14, 1354725), (15, 1264410), (18, 1053675), (21, 903150), (25, 758646), (27, 702450), (30, 632205), (35, 541890), (42, 451575), (45, 421470), (50, 379323), (54, 351225), (63, 301050), (70, 270945), (75, 252882), (81, 234150), (90, 210735), (105, 180630), (126, 150525), (135, 140490), (150, 126441), (162, 117075), (175, 108378), (189, 100350), (210, 90315), (223, 85050), (225, 84294), (243, 78050), (270, 70245), (315, 60210), (350, 54189), (378, 50175), (405, 46830), (446, 42525), (450, 42147), (486, 39025), (525, 36126), (567, 33450), (630, 30105), (669, 28350), (675, 28098), (810, 23415), (945, 20070), (1050, 18063), (1115, 17010), (1134, 16725), (1215, 15610), (1338, 14175), (1350, 14049), (1561, 12150), (1575, 12042), (1701, 11150), (1890, 10035), (2007, 9450), (2025, 9366), (2230, 8505), (2430, 7805), (2835, 6690), (3122, 6075), (3150, 6021), (3345, 5670), (3402, 5575), (4014, 4725), (4050, 4683)]