19860372

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1487}}^1$

素因数の和:1557

約数の個数: 72

約数和(自身を含む): 58496256

約数和(自身を除く): 38635884

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1484, 1487, 1908, 2226, 2974, 3339, 4452, 4461, 5948, 6678, 8922, 10409, 13356, 13383, 17844, 20818, 26766, 31227, 41636, 53532, 62454, 78811, 93681, 124908, 157622, 187362, 236433, 315244, 374724, 472866, 551677, 709299, 945732, 1103354, 1418598, 1655031, 2206708, 2837196, 3310062, 4965093, 6620124, 9930186, 19860372]

約数ペア:

[(1, 19860372), (2, 9930186), (3, 6620124), (4, 4965093), (6, 3310062), (7, 2837196), (9, 2206708), (12, 1655031), (14, 1418598), (18, 1103354), (21, 945732), (28, 709299), (36, 551677), (42, 472866), (53, 374724), (63, 315244), (84, 236433), (106, 187362), (126, 157622), (159, 124908), (212, 93681), (252, 78811), (318, 62454), (371, 53532), (477, 41636), (636, 31227), (742, 26766), (954, 20818), (1113, 17844), (1484, 13383), (1487, 13356), (1908, 10409), (2226, 8922), (2974, 6678), (3339, 5948), (4452, 4461)]