18313236468

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{421459}}^1$

素因数の和:421557

約数の個数: 72

約数和(自身を含む): 49705306560

約数和(自身を除く): 31392070092

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 71, 102, 142, 153, 204, 213, 284, 306, 426, 612, 639, 852, 1207, 1278, 2414, 2556, 3621, 4828, 7242, 10863, 14484, 21726, 43452, 421459, 842918, 1264377, 1685836, 2528754, 3793131, 5057508, 7164803, 7586262, 14329606, 15172524, 21494409, 28659212, 29923589, 42988818, 59847178, 64483227, 85977636, 89770767, 119694356, 128966454, 179541534, 257932908, 269312301, 359083068, 508701013, 538624602, 1017402026, 1077249204, 1526103039, 2034804052, 3052206078, 4578309117, 6104412156, 9156618234, 18313236468]

約数ペア:

[(1, 18313236468), (2, 9156618234), (3, 6104412156), (4, 4578309117), (6, 3052206078), (9, 2034804052), (12, 1526103039), (17, 1077249204), (18, 1017402026), (34, 538624602), (36, 508701013), (51, 359083068), (68, 269312301), (71, 257932908), (102, 179541534), (142, 128966454), (153, 119694356), (204, 89770767), (213, 85977636), (284, 64483227), (306, 59847178), (426, 42988818), (612, 29923589), (639, 28659212), (852, 21494409), (1207, 15172524), (1278, 14329606), (2414, 7586262), (2556, 7164803), (3621, 5057508), (4828, 3793131), (7242, 2528754), (10863, 1685836), (14484, 1264377), (21726, 842918), (43452, 421459)]