19305387

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 32292000

約数和(自身を除く): 12986613

約数列:

[1, 3, 9, 17, 19, 29, 51, 57, 87, 153, 171, 229, 261, 323, 493, 551, 687, 969, 1479, 1653, 2061, 2907, 3893, 4351, 4437, 4959, 6641, 9367, 11679, 13053, 19923, 28101, 35037, 39159, 59769, 73967, 84303, 112897, 126179, 221901, 338691, 378537, 665703, 1016073, 1135611, 2145043, 6435129, 19305387]

約数ペア:

[(1, 19305387), (3, 6435129), (9, 2145043), (17, 1135611), (19, 1016073), (29, 665703), (51, 378537), (57, 338691), (87, 221901), (153, 126179), (171, 112897), (229, 84303), (261, 73967), (323, 59769), (493, 39159), (551, 35037), (687, 28101), (969, 19923), (1479, 13053), (1653, 11679), (2061, 9367), (2907, 6641), (3893, 4959), (4351, 4437)]