18974001830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1\times {\mathrm{11801}}^1$

素因数の和:12141

約数の個数: 64

約数和(自身を含む): 39591272448

約数和(自身を除く): 20617270618

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 223, 446, 515, 721, 1030, 1115, 1442, 1561, 2230, 3122, 3605, 7210, 7805, 11801, 15610, 22969, 23602, 45938, 59005, 82607, 114845, 118010, 160783, 165214, 229690, 321566, 413035, 803915, 826070, 1215503, 1607830, 2431006, 2631623, 5263246, 6077515, 8508521, 12155030, 13158115, 17017042, 18421361, 26316230, 36842722, 42542605, 85085210, 92106805, 184213610, 271057169, 542114338, 1355285845, 1897400183, 2710571690, 3794800366, 9487000915, 18974001830]

約数ペア:

[(1, 18974001830), (2, 9487000915), (5, 3794800366), (7, 2710571690), (10, 1897400183), (14, 1355285845), (35, 542114338), (70, 271057169), (103, 184213610), (206, 92106805), (223, 85085210), (446, 42542605), (515, 36842722), (721, 26316230), (1030, 18421361), (1115, 17017042), (1442, 13158115), (1561, 12155030), (2230, 8508521), (3122, 6077515), (3605, 5263246), (7210, 2631623), (7805, 2431006), (11801, 1607830), (15610, 1215503), (22969, 826070), (23602, 803915), (45938, 413035), (59005, 321566), (82607, 229690), (114845, 165214), (118010, 160783)]