16188741

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 40

約数和(自身を含む): 26000480

約数和(自身を除く): 9811739

約数列:

[1, 3, 9, 19, 27, 57, 67, 81, 157, 171, 201, 471, 513, 603, 1273, 1413, 1539, 1809, 2983, 3819, 4239, 5427, 8949, 10519, 11457, 12717, 26847, 31557, 34371, 80541, 94671, 103113, 199861, 241623, 284013, 599583, 852039, 1798749, 5396247, 16188741]

約数ペア:

[(1, 16188741), (3, 5396247), (9, 1798749), (19, 852039), (27, 599583), (57, 284013), (67, 241623), (81, 199861), (157, 103113), (171, 94671), (201, 80541), (471, 34371), (513, 31557), (603, 26847), (1273, 12717), (1413, 11457), (1539, 10519), (1809, 8949), (2983, 5427), (3819, 4239)]