19910268

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{11287}}^1$

素因数の和:11311

約数の個数: 54

約数和(自身を含む): 58550856

約数和(自身を除く): 38640588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 11287, 22574, 33861, 45148, 67722, 79009, 101583, 135444, 158018, 203166, 237027, 316036, 406332, 474054, 553063, 711081, 948108, 1106126, 1422162, 1659189, 2212252, 2844324, 3318378, 4977567, 6636756, 9955134, 19910268]

約数ペア:

[(1, 19910268), (2, 9955134), (3, 6636756), (4, 4977567), (6, 3318378), (7, 2844324), (9, 2212252), (12, 1659189), (14, 1422162), (18, 1106126), (21, 948108), (28, 711081), (36, 553063), (42, 474054), (49, 406332), (63, 316036), (84, 237027), (98, 203166), (126, 158018), (147, 135444), (196, 101583), (252, 79009), (294, 67722), (441, 45148), (588, 33861), (882, 22574), (1764, 11287)]