19308807

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{283}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 34625280

約数和(自身を除く): 15316473

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 283, 361, 399, 513, 849, 1083, 1197, 1981, 2527, 2547, 3249, 3591, 5377, 5943, 7581, 7641, 9747, 16131, 17829, 22743, 37639, 48393, 53487, 68229, 102163, 112917, 145179, 306489, 338751, 715141, 919467, 1016253, 2145423, 2758401, 6436269, 19308807]

約数ペア:

[(1, 19308807), (3, 6436269), (7, 2758401), (9, 2145423), (19, 1016253), (21, 919467), (27, 715141), (57, 338751), (63, 306489), (133, 145179), (171, 112917), (189, 102163), (283, 68229), (361, 53487), (399, 48393), (513, 37639), (849, 22743), (1083, 17829), (1197, 16131), (1981, 9747), (2527, 7641), (2547, 7581), (3249, 5943), (3591, 5377)]