19936188

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^1\times {\mathrm{5483}}^1$

素因数の和:5594

約数の個数: 36

約数和(自身を含む): 50902488

約数和(自身を除く): 30966300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 202, 303, 404, 606, 909, 1212, 1818, 3636, 5483, 10966, 16449, 21932, 32898, 49347, 65796, 98694, 197388, 553783, 1107566, 1661349, 2215132, 3322698, 4984047, 6645396, 9968094, 19936188]

約数ペア:

[(1, 19936188), (2, 9968094), (3, 6645396), (4, 4984047), (6, 3322698), (9, 2215132), (12, 1661349), (18, 1107566), (36, 553783), (101, 197388), (202, 98694), (303, 65796), (404, 49347), (606, 32898), (909, 21932), (1212, 16449), (1818, 10966), (3636, 5483)]