18123588

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 120

約数和(自身を含む): 55454784

約数和(自身を除く): 37331196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 61, 63, 81, 84, 108, 122, 126, 131, 162, 183, 189, 244, 252, 262, 324, 366, 378, 393, 427, 524, 549, 567, 732, 756, 786, 854, 917, 1098, 1134, 1179, 1281, 1572, 1647, 1708, 1834, 2196, 2268, 2358, 2562, 2751, 3294, 3537, 3668, 3843, 4716, 4941, 5124, 5502, 6588, 7074, 7686, 7991, 8253, 9882, 10611, 11004, 11529, 14148, 15372, 15982, 16506, 19764, 21222, 23058, 23973, 24759, 31964, 33012, 34587, 42444, 46116, 47946, 49518, 55937, 69174, 71919, 74277, 95892, 99036, 111874, 138348, 143838, 148554, 167811, 215757, 223748, 287676, 297108, 335622, 431514, 503433, 647271, 671244, 863028, 1006866, 1294542, 1510299, 2013732, 2589084, 3020598, 4530897, 6041196, 9061794, 18123588]

約数ペア:

[(1, 18123588), (2, 9061794), (3, 6041196), (4, 4530897), (6, 3020598), (7, 2589084), (9, 2013732), (12, 1510299), (14, 1294542), (18, 1006866), (21, 863028), (27, 671244), (28, 647271), (36, 503433), (42, 431514), (54, 335622), (61, 297108), (63, 287676), (81, 223748), (84, 215757), (108, 167811), (122, 148554), (126, 143838), (131, 138348), (162, 111874), (183, 99036), (189, 95892), (244, 74277), (252, 71919), (262, 69174), (324, 55937), (366, 49518), (378, 47946), (393, 46116), (427, 42444), (524, 34587), (549, 33012), (567, 31964), (732, 24759), (756, 23973), (786, 23058), (854, 21222), (917, 19764), (1098, 16506), (1134, 15982), (1179, 15372), (1281, 14148), (1572, 11529), (1647, 11004), (1708, 10611), (1834, 9882), (2196, 8253), (2268, 7991), (2358, 7686), (2562, 7074), (2751, 6588), (3294, 5502), (3537, 5124), (3668, 4941), (3843, 4716)]