19167561

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 33945600

約数和(自身を除く): 14778039

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 67, 133, 171, 201, 239, 399, 469, 603, 717, 1197, 1273, 1407, 1673, 2151, 3819, 4221, 4541, 5019, 8911, 11457, 13623, 15057, 16013, 26733, 31787, 40869, 48039, 80199, 95361, 112091, 144117, 286083, 304247, 336273, 912741, 1008819, 2129729, 2738223, 6389187, 19167561]

約数ペア:

[(1, 19167561), (3, 6389187), (7, 2738223), (9, 2129729), (19, 1008819), (21, 912741), (57, 336273), (63, 304247), (67, 286083), (133, 144117), (171, 112091), (201, 95361), (239, 80199), (399, 48039), (469, 40869), (603, 31787), (717, 26733), (1197, 16013), (1273, 15057), (1407, 13623), (1673, 11457), (2151, 8911), (3819, 5019), (4221, 4541)]