18173659826

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1\times {\mathrm{863}}^1$

素因数の和:1307

約数の個数: 64

約数和(自身を含む): 32208316416

約数和(自身を除く): 14034656590

約数列:

[1, 2, 7, 14, 53, 101, 106, 202, 281, 371, 562, 707, 742, 863, 1414, 1726, 1967, 3934, 5353, 6041, 10706, 12082, 14893, 28381, 29786, 37471, 45739, 56762, 74942, 87163, 91478, 104251, 174326, 198667, 208502, 242503, 320173, 397334, 485006, 610141, 640346, 1220282, 1504193, 1697521, 3008386, 3395042, 4619639, 9239278, 10529351, 12852659, 21058702, 24492803, 25705318, 32337473, 48985606, 64674946, 89968613, 171449621, 179937226, 342899242, 1298118559, 2596237118, 9086829913, 18173659826]

約数ペア:

[(1, 18173659826), (2, 9086829913), (7, 2596237118), (14, 1298118559), (53, 342899242), (101, 179937226), (106, 171449621), (202, 89968613), (281, 64674946), (371, 48985606), (562, 32337473), (707, 25705318), (742, 24492803), (863, 21058702), (1414, 12852659), (1726, 10529351), (1967, 9239278), (3934, 4619639), (5353, 3395042), (6041, 3008386), (10706, 1697521), (12082, 1504193), (14893, 1220282), (28381, 640346), (29786, 610141), (37471, 485006), (45739, 397334), (56762, 320173), (74942, 242503), (87163, 208502), (91478, 198667), (104251, 174326)]