19943532

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2729}}^1$

素因数の和:2775

約数の個数: 72

約数和(自身を含む): 59623200

約数和(自身を除く): 39679668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 2729, 3654, 5458, 7308, 8187, 10916, 16374, 19103, 24561, 32748, 38206, 49122, 57309, 76412, 79141, 98244, 114618, 158282, 171927, 229236, 237423, 316564, 343854, 474846, 553987, 687708, 712269, 949692, 1107974, 1424538, 1661961, 2215948, 2849076, 3323922, 4985883, 6647844, 9971766, 19943532]

約数ペア:

[(1, 19943532), (2, 9971766), (3, 6647844), (4, 4985883), (6, 3323922), (7, 2849076), (9, 2215948), (12, 1661961), (14, 1424538), (18, 1107974), (21, 949692), (28, 712269), (29, 687708), (36, 553987), (42, 474846), (58, 343854), (63, 316564), (84, 237423), (87, 229236), (116, 171927), (126, 158282), (174, 114618), (203, 98244), (252, 79141), (261, 76412), (348, 57309), (406, 49122), (522, 38206), (609, 32748), (812, 24561), (1044, 19103), (1218, 16374), (1827, 10916), (2436, 8187), (2729, 7308), (3654, 5458)]