19991838

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5657}}^1$

素因数の和:5712

約数の個数: 32

約数和(自身を含む): 43453440

約数和(自身を除く): 23461602

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 93, 114, 186, 589, 1178, 1767, 3534, 5657, 11314, 16971, 33942, 107483, 175367, 214966, 322449, 350734, 526101, 644898, 1052202, 3331973, 6663946, 9995919, 19991838]

約数ペア:

[(1, 19991838), (2, 9995919), (3, 6663946), (6, 3331973), (19, 1052202), (31, 644898), (38, 526101), (57, 350734), (62, 322449), (93, 214966), (114, 175367), (186, 107483), (589, 33942), (1178, 16971), (1767, 11314), (3534, 5657)]