19347224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 42819840

約数和(自身を除く): 23472616

約数列:

[1, 2, 4, 8, 13, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 221, 248, 353, 403, 442, 527, 706, 806, 884, 1054, 1412, 1612, 1768, 2108, 2824, 3224, 4216, 4589, 6001, 6851, 9178, 10943, 12002, 13702, 18356, 21886, 24004, 27404, 36712, 43772, 48008, 54808, 78013, 87544, 142259, 156026, 186031, 284518, 312052, 372062, 569036, 624104, 744124, 1138072, 1488248, 2418403, 4836806, 9673612, 19347224]

約数ペア:

[(1, 19347224), (2, 9673612), (4, 4836806), (8, 2418403), (13, 1488248), (17, 1138072), (26, 744124), (31, 624104), (34, 569036), (52, 372062), (62, 312052), (68, 284518), (104, 186031), (124, 156026), (136, 142259), (221, 87544), (248, 78013), (353, 54808), (403, 48008), (442, 43772), (527, 36712), (706, 27404), (806, 24004), (884, 21886), (1054, 18356), (1412, 13702), (1612, 12002), (1768, 10943), (2108, 9178), (2824, 6851), (3224, 6001), (4216, 4589)]