19530112

素因数分解:

$2^7\times 7^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:399

約数の個数: 64

約数和(自身を含む): 45239040

約数和(自身を除く): 25708928

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 284, 307, 448, 497, 568, 614, 896, 994, 1136, 1228, 1988, 2149, 2272, 2456, 3976, 4298, 4544, 4912, 7952, 8596, 9088, 9824, 15904, 17192, 19648, 21797, 31808, 34384, 39296, 43594, 63616, 68768, 87188, 137536, 152579, 174376, 275072, 305158, 348752, 610316, 697504, 1220632, 1395008, 2441264, 2790016, 4882528, 9765056, 19530112]

約数ペア:

[(1, 19530112), (2, 9765056), (4, 4882528), (7, 2790016), (8, 2441264), (14, 1395008), (16, 1220632), (28, 697504), (32, 610316), (56, 348752), (64, 305158), (71, 275072), (112, 174376), (128, 152579), (142, 137536), (224, 87188), (284, 68768), (307, 63616), (448, 43594), (497, 39296), (568, 34384), (614, 31808), (896, 21797), (994, 19648), (1136, 17192), (1228, 15904), (1988, 9824), (2149, 9088), (2272, 8596), (2456, 7952), (3976, 4912), (4298, 4544)]