19178320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1489}}^1$

素因数の和:1532

約数の個数: 80

約数和(自身を含む): 53210880

約数和(自身を除く): 34032560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1489, 1610, 1840, 2576, 2978, 3220, 5956, 6440, 7445, 10423, 11912, 12880, 14890, 20846, 23824, 29780, 34247, 41692, 52115, 59560, 68494, 83384, 104230, 119120, 136988, 166768, 171235, 208460, 239729, 273976, 342470, 416920, 479458, 547952, 684940, 833840, 958916, 1198645, 1369880, 1917832, 2397290, 2739760, 3835664, 4794580, 9589160, 19178320]

約数ペア:

[(1, 19178320), (2, 9589160), (4, 4794580), (5, 3835664), (7, 2739760), (8, 2397290), (10, 1917832), (14, 1369880), (16, 1198645), (20, 958916), (23, 833840), (28, 684940), (35, 547952), (40, 479458), (46, 416920), (56, 342470), (70, 273976), (80, 239729), (92, 208460), (112, 171235), (115, 166768), (140, 136988), (161, 119120), (184, 104230), (230, 83384), (280, 68494), (322, 59560), (368, 52115), (460, 41692), (560, 34247), (644, 29780), (805, 23824), (920, 20846), (1288, 14890), (1489, 12880), (1610, 11912), (1840, 10423), (2576, 7445), (2978, 6440), (3220, 5956)]