19993068

素因数分解:

$2^2\times 3^5\times {\mathrm{67}}^1\times {\mathrm{307}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 53365312

約数和(自身を除く): 33372244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 81, 108, 134, 162, 201, 243, 268, 307, 324, 402, 486, 603, 614, 804, 921, 972, 1206, 1228, 1809, 1842, 2412, 2763, 3618, 3684, 5427, 5526, 7236, 8289, 10854, 11052, 16281, 16578, 20569, 21708, 24867, 32562, 33156, 41138, 49734, 61707, 65124, 74601, 82276, 99468, 123414, 149202, 185121, 246828, 298404, 370242, 555363, 740484, 1110726, 1666089, 2221452, 3332178, 4998267, 6664356, 9996534, 19993068]

約数ペア:

[(1, 19993068), (2, 9996534), (3, 6664356), (4, 4998267), (6, 3332178), (9, 2221452), (12, 1666089), (18, 1110726), (27, 740484), (36, 555363), (54, 370242), (67, 298404), (81, 246828), (108, 185121), (134, 149202), (162, 123414), (201, 99468), (243, 82276), (268, 74601), (307, 65124), (324, 61707), (402, 49734), (486, 41138), (603, 33156), (614, 32562), (804, 24867), (921, 21708), (972, 20569), (1206, 16578), (1228, 16281), (1809, 11052), (1842, 10854), (2412, 8289), (2763, 7236), (3618, 5526), (3684, 5427)]