19393418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:362

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 13507702

約数列:

[1, 2, 11, 22, 59, 67, 118, 134, 223, 446, 649, 737, 1298, 1474, 2453, 3953, 4906, 7906, 13157, 14941, 26314, 29882, 43483, 86966, 144727, 164351, 289454, 328702, 881519, 1763038, 9696709, 19393418]

約数ペア:

[(1, 19393418), (2, 9696709), (11, 1763038), (22, 881519), (59, 328702), (67, 289454), (118, 164351), (134, 144727), (223, 86966), (446, 43483), (649, 29882), (737, 26314), (1298, 14941), (1474, 13157), (2453, 7906), (3953, 4906)]