18342558

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 48988800

約数和(自身を除く): 30646242

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 29, 34, 39, 51, 53, 54, 58, 78, 87, 102, 106, 117, 153, 159, 174, 221, 234, 261, 306, 318, 351, 377, 442, 459, 477, 493, 522, 663, 689, 702, 754, 783, 901, 918, 954, 986, 1131, 1326, 1378, 1431, 1479, 1537, 1566, 1802, 1989, 2067, 2262, 2703, 2862, 2958, 3074, 3393, 3978, 4134, 4437, 4611, 5406, 5967, 6201, 6409, 6786, 8109, 8874, 9222, 10179, 11713, 11934, 12402, 12818, 13311, 13833, 16218, 18603, 19227, 19981, 20358, 23426, 24327, 26129, 26622, 27666, 35139, 37206, 38454, 39962, 41499, 48654, 52258, 57681, 59943, 70278, 78387, 82998, 105417, 115362, 119886, 156774, 173043, 179829, 210834, 235161, 316251, 339677, 346086, 359658, 470322, 539487, 632502, 679354, 705483, 1019031, 1078974, 1410966, 2038062, 3057093, 6114186, 9171279, 18342558]

約数ペア:

[(1, 18342558), (2, 9171279), (3, 6114186), (6, 3057093), (9, 2038062), (13, 1410966), (17, 1078974), (18, 1019031), (26, 705483), (27, 679354), (29, 632502), (34, 539487), (39, 470322), (51, 359658), (53, 346086), (54, 339677), (58, 316251), (78, 235161), (87, 210834), (102, 179829), (106, 173043), (117, 156774), (153, 119886), (159, 115362), (174, 105417), (221, 82998), (234, 78387), (261, 70278), (306, 59943), (318, 57681), (351, 52258), (377, 48654), (442, 41499), (459, 39962), (477, 38454), (493, 37206), (522, 35139), (663, 27666), (689, 26622), (702, 26129), (754, 24327), (783, 23426), (901, 20358), (918, 19981), (954, 19227), (986, 18603), (1131, 16218), (1326, 13833), (1378, 13311), (1431, 12818), (1479, 12402), (1537, 11934), (1566, 11713), (1802, 10179), (1989, 9222), (2067, 8874), (2262, 8109), (2703, 6786), (2862, 6409), (2958, 6201), (3074, 5967), (3393, 5406), (3978, 4611), (4134, 4437)]