18766020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:530

約数の個数: 144

約数和(自身を含む): 65959488

約数和(自身を除く): 47193468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 491, 546, 588, 637, 735, 780, 910, 980, 982, 1092, 1274, 1365, 1470, 1473, 1820, 1911, 1964, 2455, 2548, 2730, 2940, 2946, 3185, 3437, 3822, 4910, 5460, 5892, 6370, 6383, 6874, 7365, 7644, 9555, 9820, 10311, 12740, 12766, 13748, 14730, 17185, 19110, 19149, 20622, 24059, 25532, 29460, 31915, 34370, 38220, 38298, 41244, 44681, 48118, 51555, 63830, 68740, 72177, 76596, 89362, 95745, 96236, 103110, 120295, 127660, 134043, 144354, 178724, 191490, 206220, 223405, 240590, 268086, 288708, 312767, 360885, 382980, 446810, 481180, 536172, 625534, 670215, 721770, 893620, 938301, 1251068, 1340430, 1443540, 1563835, 1876602, 2680860, 3127670, 3753204, 4691505, 6255340, 9383010, 18766020]

約数ペア:

[(1, 18766020), (2, 9383010), (3, 6255340), (4, 4691505), (5, 3753204), (6, 3127670), (7, 2680860), (10, 1876602), (12, 1563835), (13, 1443540), (14, 1340430), (15, 1251068), (20, 938301), (21, 893620), (26, 721770), (28, 670215), (30, 625534), (35, 536172), (39, 481180), (42, 446810), (49, 382980), (52, 360885), (60, 312767), (65, 288708), (70, 268086), (78, 240590), (84, 223405), (91, 206220), (98, 191490), (105, 178724), (130, 144354), (140, 134043), (147, 127660), (156, 120295), (182, 103110), (195, 96236), (196, 95745), (210, 89362), (245, 76596), (260, 72177), (273, 68740), (294, 63830), (364, 51555), (390, 48118), (420, 44681), (455, 41244), (490, 38298), (491, 38220), (546, 34370), (588, 31915), (637, 29460), (735, 25532), (780, 24059), (910, 20622), (980, 19149), (982, 19110), (1092, 17185), (1274, 14730), (1365, 13748), (1470, 12766), (1473, 12740), (1820, 10311), (1911, 9820), (1964, 9555), (2455, 7644), (2548, 7365), (2730, 6874), (2940, 6383), (2946, 6370), (3185, 5892), (3437, 5460), (3822, 4910)]