18976490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2393}}^1$

素因数の和:2474

約数の個数: 32

約数和(自身を含む): 37403856

約数和(自身を除く): 18427366

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 2393, 3965, 4786, 7930, 11965, 23930, 31109, 62218, 145973, 155545, 291946, 311090, 729865, 1459730, 1897649, 3795298, 9488245, 18976490]

約数ペア:

[(1, 18976490), (2, 9488245), (5, 3795298), (10, 1897649), (13, 1459730), (26, 729865), (61, 311090), (65, 291946), (122, 155545), (130, 145973), (305, 62218), (610, 31109), (793, 23930), (1586, 11965), (2393, 7930), (3965, 4786)]