19577439

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 34444800

約数和(自身を除く): 14867361

約数列:

[1, 3, 7, 9, 21, 23, 59, 63, 69, 161, 177, 207, 229, 413, 483, 531, 687, 1239, 1357, 1449, 1603, 2061, 3717, 4071, 4809, 5267, 9499, 12213, 13511, 14427, 15801, 28497, 36869, 40533, 47403, 85491, 94577, 110607, 121599, 283731, 310753, 331821, 851193, 932259, 2175271, 2796777, 6525813, 19577439]

約数ペア:

[(1, 19577439), (3, 6525813), (7, 2796777), (9, 2175271), (21, 932259), (23, 851193), (59, 331821), (63, 310753), (69, 283731), (161, 121599), (177, 110607), (207, 94577), (229, 85491), (413, 47403), (483, 40533), (531, 36869), (687, 28497), (1239, 15801), (1357, 14427), (1449, 13511), (1603, 12213), (2061, 9499), (3717, 5267), (4071, 4809)]