19421360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 52377600

約数和(自身を除く): 32956240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 439, 553, 560, 632, 790, 878, 1106, 1264, 1580, 1756, 2195, 2212, 2765, 3073, 3160, 3512, 4390, 4424, 5530, 6146, 6320, 7024, 8780, 8848, 11060, 12292, 15365, 17560, 22120, 24584, 30730, 34681, 35120, 44240, 49168, 61460, 69362, 122920, 138724, 173405, 242767, 245840, 277448, 346810, 485534, 554896, 693620, 971068, 1213835, 1387240, 1942136, 2427670, 2774480, 3884272, 4855340, 9710680, 19421360]

約数ペア:

[(1, 19421360), (2, 9710680), (4, 4855340), (5, 3884272), (7, 2774480), (8, 2427670), (10, 1942136), (14, 1387240), (16, 1213835), (20, 971068), (28, 693620), (35, 554896), (40, 485534), (56, 346810), (70, 277448), (79, 245840), (80, 242767), (112, 173405), (140, 138724), (158, 122920), (280, 69362), (316, 61460), (395, 49168), (439, 44240), (553, 35120), (560, 34681), (632, 30730), (790, 24584), (878, 22120), (1106, 17560), (1264, 15365), (1580, 12292), (1756, 11060), (2195, 8848), (2212, 8780), (2765, 7024), (3073, 6320), (3160, 6146), (3512, 5530), (4390, 4424)]