16171812

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 120

約数和(自身を含む): 46347840

約数和(自身を除く): 30176028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 37, 38, 54, 57, 71, 74, 76, 81, 108, 111, 114, 142, 148, 162, 171, 213, 222, 228, 284, 324, 333, 342, 426, 444, 513, 639, 666, 684, 703, 852, 999, 1026, 1278, 1332, 1349, 1406, 1539, 1917, 1998, 2052, 2109, 2556, 2627, 2698, 2812, 2997, 3078, 3834, 3996, 4047, 4218, 5254, 5396, 5751, 5994, 6156, 6327, 7668, 7881, 8094, 8436, 10508, 11502, 11988, 12141, 12654, 15762, 16188, 18981, 23004, 23643, 24282, 25308, 31524, 36423, 37962, 47286, 48564, 49913, 56943, 70929, 72846, 75924, 94572, 99826, 109269, 113886, 141858, 145692, 149739, 199652, 212787, 218538, 227772, 283716, 299478, 425574, 437076, 449217, 598956, 851148, 898434, 1347651, 1796868, 2695302, 4042953, 5390604, 8085906, 16171812]

約数ペア:

[(1, 16171812), (2, 8085906), (3, 5390604), (4, 4042953), (6, 2695302), (9, 1796868), (12, 1347651), (18, 898434), (19, 851148), (27, 598956), (36, 449217), (37, 437076), (38, 425574), (54, 299478), (57, 283716), (71, 227772), (74, 218538), (76, 212787), (81, 199652), (108, 149739), (111, 145692), (114, 141858), (142, 113886), (148, 109269), (162, 99826), (171, 94572), (213, 75924), (222, 72846), (228, 70929), (284, 56943), (324, 49913), (333, 48564), (342, 47286), (426, 37962), (444, 36423), (513, 31524), (639, 25308), (666, 24282), (684, 23643), (703, 23004), (852, 18981), (999, 16188), (1026, 15762), (1278, 12654), (1332, 12141), (1349, 11988), (1406, 11502), (1539, 10508), (1917, 8436), (1998, 8094), (2052, 7881), (2109, 7668), (2556, 6327), (2627, 6156), (2698, 5994), (2812, 5751), (2997, 5396), (3078, 5254), (3834, 4218), (3996, 4047)]