19315888

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{7229}}^1$

素因数の和:7404

約数の個数: 20

約数和(自身を含む): 37653840

約数和(自身を除く): 18337952

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 7229, 14458, 28916, 57832, 115664, 1207243, 2414486, 4828972, 9657944, 19315888]

約数ペア:

[(1, 19315888), (2, 9657944), (4, 4828972), (8, 2414486), (16, 1207243), (167, 115664), (334, 57832), (668, 28916), (1336, 14458), (2672, 7229)]