18123210

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 56770560

約数和(自身を除く): 38647350

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 43, 45, 54, 63, 70, 86, 90, 105, 126, 129, 135, 189, 210, 215, 223, 258, 270, 301, 315, 378, 387, 430, 446, 602, 630, 645, 669, 774, 903, 945, 1115, 1161, 1290, 1338, 1505, 1561, 1806, 1890, 1935, 2007, 2230, 2322, 2709, 3010, 3122, 3345, 3870, 4014, 4515, 4683, 5418, 5805, 6021, 6690, 7805, 8127, 9030, 9366, 9589, 10035, 11610, 12042, 13545, 14049, 15610, 16254, 19178, 20070, 23415, 27090, 28098, 28767, 30105, 40635, 42147, 46830, 47945, 57534, 60210, 67123, 70245, 81270, 84294, 86301, 95890, 134246, 140490, 143835, 172602, 201369, 210735, 258903, 287670, 335615, 402738, 421470, 431505, 517806, 604107, 671230, 863010, 1006845, 1208214, 1294515, 1812321, 2013690, 2589030, 3020535, 3624642, 6041070, 9061605, 18123210]

約数ペア:

[(1, 18123210), (2, 9061605), (3, 6041070), (5, 3624642), (6, 3020535), (7, 2589030), (9, 2013690), (10, 1812321), (14, 1294515), (15, 1208214), (18, 1006845), (21, 863010), (27, 671230), (30, 604107), (35, 517806), (42, 431505), (43, 421470), (45, 402738), (54, 335615), (63, 287670), (70, 258903), (86, 210735), (90, 201369), (105, 172602), (126, 143835), (129, 140490), (135, 134246), (189, 95890), (210, 86301), (215, 84294), (223, 81270), (258, 70245), (270, 67123), (301, 60210), (315, 57534), (378, 47945), (387, 46830), (430, 42147), (446, 40635), (602, 30105), (630, 28767), (645, 28098), (669, 27090), (774, 23415), (903, 20070), (945, 19178), (1115, 16254), (1161, 15610), (1290, 14049), (1338, 13545), (1505, 12042), (1561, 11610), (1806, 10035), (1890, 9589), (1935, 9366), (2007, 9030), (2230, 8127), (2322, 7805), (2709, 6690), (3010, 6021), (3122, 5805), (3345, 5418), (3870, 4683), (4014, 4515)]