19883820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:711

約数の個数: 96

約数和(自身を含む): 62125056

約数和(自身を除く): 42241236

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 47, 55, 60, 66, 94, 110, 132, 141, 165, 188, 220, 235, 282, 330, 470, 517, 564, 641, 660, 705, 940, 1034, 1282, 1410, 1551, 1923, 2068, 2564, 2585, 2820, 3102, 3205, 3846, 5170, 6204, 6410, 7051, 7692, 7755, 9615, 10340, 12820, 14102, 15510, 19230, 21153, 28204, 30127, 31020, 35255, 38460, 42306, 60254, 70510, 84612, 90381, 105765, 120508, 141020, 150635, 180762, 211530, 301270, 331397, 361524, 423060, 451905, 602540, 662794, 903810, 994191, 1325588, 1656985, 1807620, 1988382, 3313970, 3976764, 4970955, 6627940, 9941910, 19883820]

約数ペア:

[(1, 19883820), (2, 9941910), (3, 6627940), (4, 4970955), (5, 3976764), (6, 3313970), (10, 1988382), (11, 1807620), (12, 1656985), (15, 1325588), (20, 994191), (22, 903810), (30, 662794), (33, 602540), (44, 451905), (47, 423060), (55, 361524), (60, 331397), (66, 301270), (94, 211530), (110, 180762), (132, 150635), (141, 141020), (165, 120508), (188, 105765), (220, 90381), (235, 84612), (282, 70510), (330, 60254), (470, 42306), (517, 38460), (564, 35255), (641, 31020), (660, 30127), (705, 28204), (940, 21153), (1034, 19230), (1282, 15510), (1410, 14102), (1551, 12820), (1923, 10340), (2068, 9615), (2564, 7755), (2585, 7692), (2820, 7051), (3102, 6410), (3205, 6204), (3846, 5170)]