19803132

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 52009776

約数和(自身を除く): 32206644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 97, 106, 107, 159, 194, 212, 214, 291, 318, 321, 388, 428, 477, 582, 636, 642, 873, 954, 963, 1164, 1284, 1746, 1908, 1926, 3492, 3852, 5141, 5671, 10282, 10379, 11342, 15423, 17013, 20564, 20758, 22684, 30846, 31137, 34026, 41516, 46269, 51039, 61692, 62274, 68052, 92538, 93411, 102078, 124548, 185076, 186822, 204156, 373644, 550087, 1100174, 1650261, 2200348, 3300522, 4950783, 6601044, 9901566, 19803132]

約数ペア:

[(1, 19803132), (2, 9901566), (3, 6601044), (4, 4950783), (6, 3300522), (9, 2200348), (12, 1650261), (18, 1100174), (36, 550087), (53, 373644), (97, 204156), (106, 186822), (107, 185076), (159, 124548), (194, 102078), (212, 93411), (214, 92538), (291, 68052), (318, 62274), (321, 61692), (388, 51039), (428, 46269), (477, 41516), (582, 34026), (636, 31137), (642, 30846), (873, 22684), (954, 20758), (963, 20564), (1164, 17013), (1284, 15423), (1746, 11342), (1908, 10379), (1926, 10282), (3492, 5671), (3852, 5141)]