19995216

素因数分解:

$2^4\times 3^1\times {\mathrm{79}}^1\times {\mathrm{5273}}^1$

素因数の和:5363

約数の個数: 40

約数和(自身を含む): 52318080

約数和(自身を除く): 32322864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 79, 158, 237, 316, 474, 632, 948, 1264, 1896, 3792, 5273, 10546, 15819, 21092, 31638, 42184, 63276, 84368, 126552, 253104, 416567, 833134, 1249701, 1666268, 2499402, 3332536, 4998804, 6665072, 9997608, 19995216]

約数ペア:

[(1, 19995216), (2, 9997608), (3, 6665072), (4, 4998804), (6, 3332536), (8, 2499402), (12, 1666268), (16, 1249701), (24, 833134), (48, 416567), (79, 253104), (158, 126552), (237, 84368), (316, 63276), (474, 42184), (632, 31638), (948, 21092), (1264, 15819), (1896, 10546), (3792, 5273)]