19544454

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{373}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 44108064

約数和(自身を除く): 24563610

約数列:

[1, 2, 3, 6, 9, 18, 41, 71, 82, 123, 142, 213, 246, 369, 373, 426, 639, 738, 746, 1119, 1278, 2238, 2911, 3357, 5822, 6714, 8733, 15293, 17466, 26199, 26483, 30586, 45879, 52398, 52966, 79449, 91758, 137637, 158898, 238347, 275274, 476694, 1085803, 2171606, 3257409, 6514818, 9772227, 19544454]

約数ペア:

[(1, 19544454), (2, 9772227), (3, 6514818), (6, 3257409), (9, 2171606), (18, 1085803), (41, 476694), (71, 275274), (82, 238347), (123, 158898), (142, 137637), (213, 91758), (246, 79449), (369, 52966), (373, 52398), (426, 45879), (639, 30586), (738, 26483), (746, 26199), (1119, 17466), (1278, 15293), (2238, 8733), (2911, 6714), (3357, 5822)]