19151755

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 28191744

約数和(自身を除く): 9039989

約数列:

[1, 5, 7, 23, 35, 37, 115, 161, 185, 259, 643, 805, 851, 1295, 3215, 4255, 4501, 5957, 14789, 22505, 23791, 29785, 73945, 103523, 118955, 166537, 517615, 547193, 832685, 2735965, 3830351, 19151755]

約数ペア:

[(1, 19151755), (5, 3830351), (7, 2735965), (23, 832685), (35, 547193), (37, 517615), (115, 166537), (161, 118955), (185, 103523), (259, 73945), (643, 29785), (805, 23791), (851, 22505), (1295, 14789), (3215, 5957), (4255, 4501)]