18838386

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 52377600

約数和(自身を除く): 33539214

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 43, 54, 57, 61, 63, 86, 114, 122, 126, 129, 133, 171, 183, 189, 258, 266, 301, 342, 366, 378, 387, 399, 427, 513, 549, 602, 774, 798, 817, 854, 903, 1026, 1098, 1159, 1161, 1197, 1281, 1634, 1647, 1806, 2318, 2322, 2394, 2451, 2562, 2623, 2709, 3294, 3477, 3591, 3843, 4902, 5246, 5418, 5719, 6954, 7182, 7353, 7686, 7869, 8113, 8127, 10431, 11438, 11529, 14706, 15738, 16226, 16254, 17157, 18361, 20862, 22059, 23058, 23607, 24339, 31293, 34314, 36722, 44118, 47214, 48678, 49837, 51471, 55083, 62586, 70821, 73017, 99674, 102942, 110166, 141642, 146034, 149511, 154413, 165249, 219051, 299022, 308826, 330498, 348859, 438102, 448533, 495747, 697718, 897066, 991494, 1046577, 1345599, 2093154, 2691198, 3139731, 6279462, 9419193, 18838386]

約数ペア:

[(1, 18838386), (2, 9419193), (3, 6279462), (6, 3139731), (7, 2691198), (9, 2093154), (14, 1345599), (18, 1046577), (19, 991494), (21, 897066), (27, 697718), (38, 495747), (42, 448533), (43, 438102), (54, 348859), (57, 330498), (61, 308826), (63, 299022), (86, 219051), (114, 165249), (122, 154413), (126, 149511), (129, 146034), (133, 141642), (171, 110166), (183, 102942), (189, 99674), (258, 73017), (266, 70821), (301, 62586), (342, 55083), (366, 51471), (378, 49837), (387, 48678), (399, 47214), (427, 44118), (513, 36722), (549, 34314), (602, 31293), (774, 24339), (798, 23607), (817, 23058), (854, 22059), (903, 20862), (1026, 18361), (1098, 17157), (1159, 16254), (1161, 16226), (1197, 15738), (1281, 14706), (1634, 11529), (1647, 11438), (1806, 10431), (2318, 8127), (2322, 8113), (2394, 7869), (2451, 7686), (2562, 7353), (2623, 7182), (2709, 6954), (3294, 5719), (3477, 5418), (3591, 5246), (3843, 4902)]