218538

素因数分解:

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

素因数の和:104

約数の個数: 40

約数和(自身を含む): 522720

約数和(自身を除く): 304182

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 71, 81, 114, 142, 162, 171, 213, 342, 426, 513, 639, 1026, 1278, 1349, 1539, 1917, 2698, 3078, 3834, 4047, 5751, 8094, 11502, 12141, 24282, 36423, 72846, 109269, 218538]

約数ペア:

[(1, 218538), (2, 109269), (3, 72846), (6, 36423), (9, 24282), (18, 12141), (19, 11502), (27, 8094), (38, 5751), (54, 4047), (57, 3834), (71, 3078), (81, 2698), (114, 1917), (142, 1539), (162, 1349), (171, 1278), (213, 1026), (342, 639), (426, 513)]