19364895

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 40435200

約数和(自身を除く): 21070305

約数列:

[1, 3, 5, 9, 11, 15, 19, 29, 33, 45, 55, 57, 71, 87, 95, 99, 145, 165, 171, 209, 213, 261, 285, 319, 355, 435, 495, 551, 627, 639, 781, 855, 957, 1045, 1065, 1305, 1349, 1595, 1653, 1881, 2059, 2343, 2755, 2871, 3135, 3195, 3905, 4047, 4785, 4959, 6061, 6177, 6745, 7029, 8265, 9405, 10295, 11715, 12141, 14355, 14839, 18183, 18531, 20235, 22649, 24795, 30305, 30885, 35145, 39121, 44517, 54549, 60705, 67947, 74195, 90915, 92655, 113245, 117363, 133551, 195605, 203841, 222585, 272745, 339735, 352089, 430331, 586815, 667755, 1019205, 1290993, 1760445, 2151655, 3872979, 6454965, 19364895]

約数ペア:

[(1, 19364895), (3, 6454965), (5, 3872979), (9, 2151655), (11, 1760445), (15, 1290993), (19, 1019205), (29, 667755), (33, 586815), (45, 430331), (55, 352089), (57, 339735), (71, 272745), (87, 222585), (95, 203841), (99, 195605), (145, 133551), (165, 117363), (171, 113245), (209, 92655), (213, 90915), (261, 74195), (285, 67947), (319, 60705), (355, 54549), (435, 44517), (495, 39121), (551, 35145), (627, 30885), (639, 30305), (781, 24795), (855, 22649), (957, 20235), (1045, 18531), (1065, 18183), (1305, 14839), (1349, 14355), (1595, 12141), (1653, 11715), (1881, 10295), (2059, 9405), (2343, 8265), (2755, 7029), (2871, 6745), (3135, 6177), (3195, 6061), (3905, 4959), (4047, 4785)]