18710615

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2113}}^1$

素因数の和:2159

約数の個数: 32

約数和(自身を含む): 29223936

約数和(自身を除く): 10513321

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 805, 1265, 1771, 2113, 8855, 10565, 14791, 23243, 48599, 73955, 116215, 162701, 242995, 340193, 534589, 813505, 1700965, 2672945, 3742123, 18710615]

約数ペア:

[(1, 18710615), (5, 3742123), (7, 2672945), (11, 1700965), (23, 813505), (35, 534589), (55, 340193), (77, 242995), (115, 162701), (161, 116215), (253, 73955), (385, 48599), (805, 23243), (1265, 14791), (1771, 10565), (2113, 8855)]