19397118

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1669}}^1$

素因数の和:1836

約数の個数: 32

約数和(自身を含む): 42084000

約数和(自身を除く): 22686882

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 149, 298, 447, 894, 1669, 1937, 3338, 3874, 5007, 5811, 10014, 11622, 21697, 43394, 65091, 130182, 248681, 497362, 746043, 1492086, 3232853, 6465706, 9698559, 19397118]

約数ペア:

[(1, 19397118), (2, 9698559), (3, 6465706), (6, 3232853), (13, 1492086), (26, 746043), (39, 497362), (78, 248681), (149, 130182), (298, 65091), (447, 43394), (894, 21697), (1669, 11622), (1937, 10014), (3338, 5811), (3874, 5007)]