19741360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10729}}^1$

素因数の和:10765

約数の個数: 40

約数和(自身を含む): 47898720

約数和(自身を除く): 28157360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10729, 21458, 42916, 53645, 85832, 107290, 171664, 214580, 246767, 429160, 493534, 858320, 987068, 1233835, 1974136, 2467670, 3948272, 4935340, 9870680, 19741360]

約数ペア:

[(1, 19741360), (2, 9870680), (4, 4935340), (5, 3948272), (8, 2467670), (10, 1974136), (16, 1233835), (20, 987068), (23, 858320), (40, 493534), (46, 429160), (80, 246767), (92, 214580), (115, 171664), (184, 107290), (230, 85832), (368, 53645), (460, 42916), (920, 21458), (1840, 10729)]