19491228

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{4133}}^1$

素因数の和:4274

約数の個数: 36

約数和(自身を含む): 49657608

約数和(自身を除く): 30166380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4133, 4716, 8266, 12399, 16532, 24798, 37197, 49596, 74394, 148788, 541423, 1082846, 1624269, 2165692, 3248538, 4872807, 6497076, 9745614, 19491228]

約数ペア:

[(1, 19491228), (2, 9745614), (3, 6497076), (4, 4872807), (6, 3248538), (9, 2165692), (12, 1624269), (18, 1082846), (36, 541423), (131, 148788), (262, 74394), (393, 49596), (524, 37197), (786, 24798), (1179, 16532), (1572, 12399), (2358, 8266), (4133, 4716)]