19974120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7237}}^1$

素因数の和:7274

約数の個数: 64

約数和(自身を含む): 62536320

約数和(自身を除く): 42562200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7237, 14474, 21711, 28948, 36185, 43422, 57896, 72370, 86844, 108555, 144740, 166451, 173688, 217110, 289480, 332902, 434220, 499353, 665804, 832255, 868440, 998706, 1331608, 1664510, 1997412, 2496765, 3329020, 3994824, 4993530, 6658040, 9987060, 19974120]

約数ペア:

[(1, 19974120), (2, 9987060), (3, 6658040), (4, 4993530), (5, 3994824), (6, 3329020), (8, 2496765), (10, 1997412), (12, 1664510), (15, 1331608), (20, 998706), (23, 868440), (24, 832255), (30, 665804), (40, 499353), (46, 434220), (60, 332902), (69, 289480), (92, 217110), (115, 173688), (120, 166451), (138, 144740), (184, 108555), (230, 86844), (276, 72370), (345, 57896), (460, 43422), (552, 36185), (690, 28948), (920, 21711), (1380, 14474), (2760, 7237)]