19782002

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{619}}^1$

素因数の和:698

約数の個数: 24

約数和(自身を含む): 32401200

約数和(自身を除く): 12619198

約数列:

[1, 2, 19, 29, 38, 58, 551, 619, 841, 1102, 1238, 1682, 11761, 15979, 17951, 23522, 31958, 35902, 341069, 520579, 682138, 1041158, 9891001, 19782002]

約数ペア:

[(1, 19782002), (2, 9891001), (19, 1041158), (29, 682138), (38, 520579), (58, 341069), (551, 35902), (619, 31958), (841, 23522), (1102, 17951), (1238, 15979), (1682, 11761)]