219987738

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{71471}}^1$

素因数の和:71504

約数の個数: 40

約数和(自身を含む): 518886720

約数和(自身を除く): 298898982

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 71471, 142942, 214413, 428826, 643239, 1286478, 1357949, 1929717, 2715898, 3859434, 4073847, 5789151, 8147694, 11578302, 12221541, 24443082, 36664623, 73329246, 109993869, 219987738]

約数ペア:

[(1, 219987738), (2, 109993869), (3, 73329246), (6, 36664623), (9, 24443082), (18, 12221541), (19, 11578302), (27, 8147694), (38, 5789151), (54, 4073847), (57, 3859434), (81, 2715898), (114, 1929717), (162, 1357949), (171, 1286478), (342, 643239), (513, 428826), (1026, 214413), (1539, 142942), (3078, 71471)]