18843344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^2$

素因数の和:184

約数の個数: 60

約数和(自身を含む): 42208236

約数和(自身を除く): 23364892

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 73, 104, 136, 146, 208, 221, 272, 292, 442, 584, 884, 949, 1168, 1241, 1768, 1898, 2482, 3536, 3796, 4964, 5329, 7592, 9928, 10658, 15184, 16133, 19856, 21316, 32266, 42632, 64532, 69277, 85264, 90593, 129064, 138554, 181186, 258128, 277108, 362372, 554216, 724744, 1108432, 1177709, 1449488, 2355418, 4710836, 9421672, 18843344]

約数ペア:

[(1, 18843344), (2, 9421672), (4, 4710836), (8, 2355418), (13, 1449488), (16, 1177709), (17, 1108432), (26, 724744), (34, 554216), (52, 362372), (68, 277108), (73, 258128), (104, 181186), (136, 138554), (146, 129064), (208, 90593), (221, 85264), (272, 69277), (292, 64532), (442, 42632), (584, 32266), (884, 21316), (949, 19856), (1168, 16133), (1241, 15184), (1768, 10658), (1898, 9928), (2482, 7592), (3536, 5329), (3796, 4964)]