19403930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21323}}^1$

素因数の和:21350

約数の個数: 32

約数和(自身を含む): 42989184

約数和(自身を除く): 23585254

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21323, 42646, 106615, 149261, 213230, 277199, 298522, 554398, 746305, 1385995, 1492610, 1940393, 2771990, 3880786, 9701965, 19403930]

約数ペア:

[(1, 19403930), (2, 9701965), (5, 3880786), (7, 2771990), (10, 1940393), (13, 1492610), (14, 1385995), (26, 746305), (35, 554398), (65, 298522), (70, 277199), (91, 213230), (130, 149261), (182, 106615), (455, 42646), (910, 21323)]